64439336

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{32611}}^1$

素因数の和:32649

約数の個数: 32

約数和(自身を含む): 136970400

約数和(自身を除く): 72531064

約数列:

[1, 2, 4, 8, 13, 19, 26, 38, 52, 76, 104, 152, 247, 494, 988, 1976, 32611, 65222, 130444, 260888, 423943, 619609, 847886, 1239218, 1695772, 2478436, 3391544, 4956872, 8054917, 16109834, 32219668, 64439336]

約数ペア:

[(1, 64439336), (2, 32219668), (4, 16109834), (8, 8054917), (13, 4956872), (19, 3391544), (26, 2478436), (38, 1695772), (52, 1239218), (76, 847886), (104, 619609), (152, 423943), (247, 260888), (494, 130444), (988, 65222), (1976, 32611)]