81729804

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{71}}^1\times {\mathrm{157}}^1$

素因数の和:295

約数の個数: 96

約数和(自身を含む): 214050816

約数和(自身を除く): 132321012

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 47, 52, 71, 78, 94, 141, 142, 156, 157, 188, 213, 282, 284, 314, 426, 471, 564, 611, 628, 852, 923, 942, 1222, 1833, 1846, 1884, 2041, 2444, 2769, 3337, 3666, 3692, 4082, 5538, 6123, 6674, 7332, 7379, 8164, 10011, 11076, 11147, 12246, 13348, 14758, 20022, 22137, 22294, 24492, 29516, 33441, 40044, 43381, 44274, 44588, 66882, 86762, 88548, 95927, 130143, 133764, 144911, 173524, 191854, 260286, 287781, 289822, 383708, 434733, 520572, 523909, 575562, 579644, 869466, 1047818, 1151124, 1571727, 1738932, 2095636, 3143454, 6286908, 6810817, 13621634, 20432451, 27243268, 40864902, 81729804]

約数ペア:

[(1, 81729804), (2, 40864902), (3, 27243268), (4, 20432451), (6, 13621634), (12, 6810817), (13, 6286908), (26, 3143454), (39, 2095636), (47, 1738932), (52, 1571727), (71, 1151124), (78, 1047818), (94, 869466), (141, 579644), (142, 575562), (156, 523909), (157, 520572), (188, 434733), (213, 383708), (282, 289822), (284, 287781), (314, 260286), (426, 191854), (471, 173524), (564, 144911), (611, 133764), (628, 130143), (852, 95927), (923, 88548), (942, 86762), (1222, 66882), (1833, 44588), (1846, 44274), (1884, 43381), (2041, 40044), (2444, 33441), (2769, 29516), (3337, 24492), (3666, 22294), (3692, 22137), (4082, 20022), (5538, 14758), (6123, 13348), (6674, 12246), (7332, 11147), (7379, 11076), (8164, 10011)]