81881912

素因数分解:

$2^3\times 7^1\times {\mathrm{31}}^1\times {\mathrm{101}}^1\times {\mathrm{467}}^1$

素因数の和:612

約数の個数: 64

約数和(自身を含む): 183306240

約数和(自身を除く): 101424328

約数列:

[1, 2, 4, 7, 8, 14, 28, 31, 56, 62, 101, 124, 202, 217, 248, 404, 434, 467, 707, 808, 868, 934, 1414, 1736, 1868, 2828, 3131, 3269, 3736, 5656, 6262, 6538, 12524, 13076, 14477, 21917, 25048, 26152, 28954, 43834, 47167, 57908, 87668, 94334, 101339, 115816, 175336, 188668, 202678, 330169, 377336, 405356, 660338, 810712, 1320676, 1462177, 2641352, 2924354, 5848708, 10235239, 11697416, 20470478, 40940956, 81881912]

約数ペア:

[(1, 81881912), (2, 40940956), (4, 20470478), (7, 11697416), (8, 10235239), (14, 5848708), (28, 2924354), (31, 2641352), (56, 1462177), (62, 1320676), (101, 810712), (124, 660338), (202, 405356), (217, 377336), (248, 330169), (404, 202678), (434, 188668), (467, 175336), (707, 115816), (808, 101339), (868, 94334), (934, 87668), (1414, 57908), (1736, 47167), (1868, 43834), (2828, 28954), (3131, 26152), (3269, 25048), (3736, 21917), (5656, 14477), (6262, 13076), (6538, 12524)]