1976353990

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{313}}^1\times {\mathrm{48571}}^1$

素因数の和:48904

約数の個数: 32

約数和(自身を含む): 3843405216

約数和(自身を除く): 1867051226

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 313, 626, 1565, 3130, 4069, 8138, 20345, 40690, 48571, 97142, 242855, 485710, 631423, 1262846, 3157115, 6314230, 15202723, 30405446, 76013615, 152027230, 197635399, 395270798, 988176995, 1976353990]

約数ペア:

[(1, 1976353990), (2, 988176995), (5, 395270798), (10, 197635399), (13, 152027230), (26, 76013615), (65, 30405446), (130, 15202723), (313, 6314230), (626, 3157115), (1565, 1262846), (3130, 631423), (4069, 485710), (8138, 242855), (20345, 97142), (40690, 48571)]