65719264

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{239}}^1\times {\mathrm{661}}^1$

素因数の和:923

約数の個数: 48

約数和(自身を含む): 140132160

約数和(自身を除く): 74412896

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 104, 208, 239, 416, 478, 661, 956, 1322, 1912, 2644, 3107, 3824, 5288, 6214, 7648, 8593, 10576, 12428, 17186, 21152, 24856, 34372, 49712, 68744, 99424, 137488, 157979, 274976, 315958, 631916, 1263832, 2053727, 2527664, 4107454, 5055328, 8214908, 16429816, 32859632, 65719264]

約数ペア:

[(1, 65719264), (2, 32859632), (4, 16429816), (8, 8214908), (13, 5055328), (16, 4107454), (26, 2527664), (32, 2053727), (52, 1263832), (104, 631916), (208, 315958), (239, 274976), (416, 157979), (478, 137488), (661, 99424), (956, 68744), (1322, 49712), (1912, 34372), (2644, 24856), (3107, 21152), (3824, 17186), (5288, 12428), (6214, 10576), (7648, 8593)]