221296208

素因数分解:

$2^4\times 7^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{1637}}^1$

素因数の和:1740

約数の個数: 80

約数和(自身を含む): 526466304

約数和(自身を除く): 305170096

約数列:

[1, 2, 4, 7, 8, 14, 16, 17, 28, 34, 56, 68, 71, 112, 119, 136, 142, 238, 272, 284, 476, 497, 568, 952, 994, 1136, 1207, 1637, 1904, 1988, 2414, 3274, 3976, 4828, 6548, 7952, 8449, 9656, 11459, 13096, 16898, 19312, 22918, 26192, 27829, 33796, 45836, 55658, 67592, 91672, 111316, 116227, 135184, 183344, 194803, 222632, 232454, 389606, 445264, 464908, 779212, 813589, 929816, 1558424, 1627178, 1859632, 1975859, 3116848, 3254356, 3951718, 6508712, 7903436, 13017424, 13831013, 15806872, 27662026, 31613744, 55324052, 110648104, 221296208]

約数ペア:

[(1, 221296208), (2, 110648104), (4, 55324052), (7, 31613744), (8, 27662026), (14, 15806872), (16, 13831013), (17, 13017424), (28, 7903436), (34, 6508712), (56, 3951718), (68, 3254356), (71, 3116848), (112, 1975859), (119, 1859632), (136, 1627178), (142, 1558424), (238, 929816), (272, 813589), (284, 779212), (476, 464908), (497, 445264), (568, 389606), (952, 232454), (994, 222632), (1136, 194803), (1207, 183344), (1637, 135184), (1904, 116227), (1988, 111316), (2414, 91672), (3274, 67592), (3976, 55658), (4828, 45836), (6548, 33796), (7952, 27829), (8449, 26192), (9656, 22918), (11459, 19312), (13096, 16898)]