221566576

素因数分解:

$2^4\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{149}}^1$

素因数の和:263

約数の個数: 160

約数和(自身を含む): 578534400

約数和(自身を除く): 356967824

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 17, 22, 28, 34, 44, 56, 68, 71, 77, 88, 112, 119, 136, 142, 149, 154, 176, 187, 238, 272, 284, 298, 308, 374, 476, 497, 568, 596, 616, 748, 781, 952, 994, 1043, 1136, 1192, 1207, 1232, 1309, 1496, 1562, 1639, 1904, 1988, 2086, 2384, 2414, 2533, 2618, 2992, 3124, 3278, 3976, 4172, 4828, 5066, 5236, 5467, 6248, 6556, 7952, 8344, 8449, 9656, 10132, 10472, 10579, 10934, 11473, 12496, 13112, 13277, 16688, 16898, 17731, 19312, 20264, 20944, 21158, 21868, 22946, 26224, 26554, 27863, 33796, 35462, 40528, 42316, 43736, 45892, 53108, 55726, 67592, 70924, 74053, 84632, 87472, 91784, 92939, 106216, 111452, 116369, 135184, 141848, 148106, 169264, 179843, 183568, 185878, 195041, 212432, 222904, 232738, 283696, 296212, 359686, 371756, 390082, 445808, 465476, 592424, 719372, 743512, 780164, 814583, 930952, 1184848, 1258901, 1438744, 1487024, 1560328, 1629166, 1861904, 1978273, 2517802, 2877488, 3120656, 3258332, 3956546, 5035604, 6516664, 7913092, 10071208, 13033328, 13847911, 15826184, 20142416, 27695822, 31652368, 55391644, 110783288, 221566576]

約数ペア:

[(1, 221566576), (2, 110783288), (4, 55391644), (7, 31652368), (8, 27695822), (11, 20142416), (14, 15826184), (16, 13847911), (17, 13033328), (22, 10071208), (28, 7913092), (34, 6516664), (44, 5035604), (56, 3956546), (68, 3258332), (71, 3120656), (77, 2877488), (88, 2517802), (112, 1978273), (119, 1861904), (136, 1629166), (142, 1560328), (149, 1487024), (154, 1438744), (176, 1258901), (187, 1184848), (238, 930952), (272, 814583), (284, 780164), (298, 743512), (308, 719372), (374, 592424), (476, 465476), (497, 445808), (568, 390082), (596, 371756), (616, 359686), (748, 296212), (781, 283696), (952, 232738), (994, 222904), (1043, 212432), (1136, 195041), (1192, 185878), (1207, 183568), (1232, 179843), (1309, 169264), (1496, 148106), (1562, 141848), (1639, 135184), (1904, 116369), (1988, 111452), (2086, 106216), (2384, 92939), (2414, 91784), (2533, 87472), (2618, 84632), (2992, 74053), (3124, 70924), (3278, 67592), (3976, 55726), (4172, 53108), (4828, 45892), (5066, 43736), (5236, 42316), (5467, 40528), (6248, 35462), (6556, 33796), (7952, 27863), (8344, 26554), (8449, 26224), (9656, 22946), (10132, 21868), (10472, 21158), (10579, 20944), (10934, 20264), (11473, 19312), (12496, 17731), (13112, 16898), (13277, 16688)]