28219116

素因数分解:

$2^2\times 3^1\times {\mathrm{17}}^2\times {\mathrm{79}}^1\times {\mathrm{103}}^1$

素因数の和:223

約数の個数: 72

約数和(自身を含む): 71518720

約数和(自身を除く): 43299604

約数列:

[1, 2, 3, 4, 6, 12, 17, 34, 51, 68, 79, 102, 103, 158, 204, 206, 237, 289, 309, 316, 412, 474, 578, 618, 867, 948, 1156, 1236, 1343, 1734, 1751, 2686, 3468, 3502, 4029, 5253, 5372, 7004, 8058, 8137, 10506, 16116, 16274, 21012, 22831, 24411, 29767, 32548, 45662, 48822, 59534, 68493, 89301, 91324, 97644, 119068, 136986, 138329, 178602, 273972, 276658, 357204, 414987, 553316, 829974, 1659948, 2351593, 4703186, 7054779, 9406372, 14109558, 28219116]

約数ペア:

[(1, 28219116), (2, 14109558), (3, 9406372), (4, 7054779), (6, 4703186), (12, 2351593), (17, 1659948), (34, 829974), (51, 553316), (68, 414987), (79, 357204), (102, 276658), (103, 273972), (158, 178602), (204, 138329), (206, 136986), (237, 119068), (289, 97644), (309, 91324), (316, 89301), (412, 68493), (474, 59534), (578, 48822), (618, 45662), (867, 32548), (948, 29767), (1156, 24411), (1236, 22831), (1343, 21012), (1734, 16274), (1751, 16116), (2686, 10506), (3468, 8137), (3502, 8058), (4029, 7004), (5253, 5372)]