79661456

素因数分解:

$2^4\times 7^2\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{139}}^1$

素因数の和:221

約数の個数: 120

約数和(自身を含む): 195924960

約数和(自身を除く): 116263504

約数列:

[1, 2, 4, 7, 8, 14, 16, 17, 28, 34, 43, 49, 56, 68, 86, 98, 112, 119, 136, 139, 172, 196, 238, 272, 278, 301, 344, 392, 476, 556, 602, 688, 731, 784, 833, 952, 973, 1112, 1204, 1462, 1666, 1904, 1946, 2107, 2224, 2363, 2408, 2924, 3332, 3892, 4214, 4726, 4816, 5117, 5848, 5977, 6664, 6811, 7784, 8428, 9452, 10234, 11696, 11954, 13328, 13622, 15568, 16541, 16856, 18904, 20468, 23908, 27244, 33082, 33712, 35819, 37808, 40936, 41839, 47816, 54488, 66164, 71638, 81872, 83678, 95632, 101609, 108976, 115787, 132328, 143276, 167356, 203218, 231574, 264656, 286552, 292873, 334712, 406436, 463148, 573104, 585746, 669424, 711263, 812872, 926296, 1171492, 1422526, 1625744, 1852592, 2342984, 2845052, 4685968, 4978841, 5690104, 9957682, 11380208, 19915364, 39830728, 79661456]

約数ペア:

[(1, 79661456), (2, 39830728), (4, 19915364), (7, 11380208), (8, 9957682), (14, 5690104), (16, 4978841), (17, 4685968), (28, 2845052), (34, 2342984), (43, 1852592), (49, 1625744), (56, 1422526), (68, 1171492), (86, 926296), (98, 812872), (112, 711263), (119, 669424), (136, 585746), (139, 573104), (172, 463148), (196, 406436), (238, 334712), (272, 292873), (278, 286552), (301, 264656), (344, 231574), (392, 203218), (476, 167356), (556, 143276), (602, 132328), (688, 115787), (731, 108976), (784, 101609), (833, 95632), (952, 83678), (973, 81872), (1112, 71638), (1204, 66164), (1462, 54488), (1666, 47816), (1904, 41839), (1946, 40936), (2107, 37808), (2224, 35819), (2363, 33712), (2408, 33082), (2924, 27244), (3332, 23908), (3892, 20468), (4214, 18904), (4726, 16856), (4816, 16541), (5117, 15568), (5848, 13622), (5977, 13328), (6664, 11954), (6811, 11696), (7784, 10234), (8428, 9452)]