81581744

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{7253}}^1$

素因数の和:7317

約数の個数: 40

約数和(自身を含む): 170904240

約数和(自身を除く): 89322496

約数列:

[1, 2, 4, 8, 16, 19, 37, 38, 74, 76, 148, 152, 296, 304, 592, 703, 1406, 2812, 5624, 7253, 11248, 14506, 29012, 58024, 116048, 137807, 268361, 275614, 536722, 551228, 1073444, 1102456, 2146888, 2204912, 4293776, 5098859, 10197718, 20395436, 40790872, 81581744]

約数ペア:

[(1, 81581744), (2, 40790872), (4, 20395436), (8, 10197718), (16, 5098859), (19, 4293776), (37, 2204912), (38, 2146888), (74, 1102456), (76, 1073444), (148, 551228), (152, 536722), (296, 275614), (304, 268361), (592, 137807), (703, 116048), (1406, 58024), (2812, 29012), (5624, 14506), (7253, 11248)]