68813008

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{109}}^1\times {\mathrm{211}}^1$

素因数の和:356

約数の個数: 80

約数和(自身を含む): 156150720

約数和(自身を除く): 87337712

約数列:

[1, 2, 4, 8, 11, 16, 17, 22, 34, 44, 68, 88, 109, 136, 176, 187, 211, 218, 272, 374, 422, 436, 748, 844, 872, 1199, 1496, 1688, 1744, 1853, 2321, 2398, 2992, 3376, 3587, 3706, 4642, 4796, 7174, 7412, 9284, 9592, 14348, 14824, 18568, 19184, 20383, 22999, 28696, 29648, 37136, 39457, 40766, 45998, 57392, 78914, 81532, 91996, 157828, 163064, 183992, 252989, 315656, 326128, 367984, 390983, 505978, 631312, 781966, 1011956, 1563932, 2023912, 3127864, 4047824, 4300813, 6255728, 8601626, 17203252, 34406504, 68813008]

約数ペア:

[(1, 68813008), (2, 34406504), (4, 17203252), (8, 8601626), (11, 6255728), (16, 4300813), (17, 4047824), (22, 3127864), (34, 2023912), (44, 1563932), (68, 1011956), (88, 781966), (109, 631312), (136, 505978), (176, 390983), (187, 367984), (211, 326128), (218, 315656), (272, 252989), (374, 183992), (422, 163064), (436, 157828), (748, 91996), (844, 81532), (872, 78914), (1199, 57392), (1496, 45998), (1688, 40766), (1744, 39457), (1853, 37136), (2321, 29648), (2398, 28696), (2992, 22999), (3376, 20383), (3587, 19184), (3706, 18568), (4642, 14824), (4796, 14348), (7174, 9592), (7412, 9284)]