81222204

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{47}}^1\times {\mathrm{2939}}^1$

素因数の和:3007

約数の個数: 72

約数和(自身を含む): 225227520

約数和(自身を除く): 144005316

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 47, 49, 84, 94, 98, 141, 147, 188, 196, 282, 294, 329, 564, 588, 658, 987, 1316, 1974, 2303, 2939, 3948, 4606, 5878, 6909, 8817, 9212, 11756, 13818, 17634, 20573, 27636, 35268, 41146, 61719, 82292, 123438, 138133, 144011, 246876, 276266, 288022, 414399, 432033, 552532, 576044, 828798, 864066, 966931, 1657596, 1728132, 1933862, 2900793, 3867724, 5801586, 6768517, 11603172, 13537034, 20305551, 27074068, 40611102, 81222204]

約数ペア:

[(1, 81222204), (2, 40611102), (3, 27074068), (4, 20305551), (6, 13537034), (7, 11603172), (12, 6768517), (14, 5801586), (21, 3867724), (28, 2900793), (42, 1933862), (47, 1728132), (49, 1657596), (84, 966931), (94, 864066), (98, 828798), (141, 576044), (147, 552532), (188, 432033), (196, 414399), (282, 288022), (294, 276266), (329, 246876), (564, 144011), (588, 138133), (658, 123438), (987, 82292), (1316, 61719), (1974, 41146), (2303, 35268), (2939, 27636), (3948, 20573), (4606, 17634), (5878, 13818), (6909, 11756), (8817, 9212)]