66391624

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{33599}}^1$

素因数の和:33637

約数の個数: 32

約数和(自身を含む): 141120000

約数和(自身を除く): 74728376

約数列:

[1, 2, 4, 8, 13, 19, 26, 38, 52, 76, 104, 152, 247, 494, 988, 1976, 33599, 67198, 134396, 268792, 436787, 638381, 873574, 1276762, 1747148, 2553524, 3494296, 5107048, 8298953, 16597906, 33195812, 66391624]

約数ペア:

[(1, 66391624), (2, 33195812), (4, 16597906), (8, 8298953), (13, 5107048), (19, 3494296), (26, 2553524), (38, 1747148), (52, 1276762), (76, 873574), (104, 638381), (152, 436787), (247, 268792), (494, 134396), (988, 67198), (1976, 33599)]