64897768

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{32843}}^1$

素因数の和:32881

約数の個数: 32

約数和(自身を含む): 137944800

約数和(自身を除く): 73047032

約数列:

[1, 2, 4, 8, 13, 19, 26, 38, 52, 76, 104, 152, 247, 494, 988, 1976, 32843, 65686, 131372, 262744, 426959, 624017, 853918, 1248034, 1707836, 2496068, 3415672, 4992136, 8112221, 16224442, 32448884, 64897768]

約数ペア:

[(1, 64897768), (2, 32448884), (4, 16224442), (8, 8112221), (13, 4992136), (19, 3415672), (26, 2496068), (38, 1707836), (52, 1248034), (76, 853918), (104, 624017), (152, 426959), (247, 262744), (494, 131372), (988, 65686), (1976, 32843)]