988062628

素因数分解:

$2^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{18661}}^1$

素因数の和:18764

約数の個数: 48

約数和(自身を含む): 2073422848

約数和(自身を除く): 1085360220

約数列:

[1, 2, 4, 7, 14, 28, 31, 61, 62, 122, 124, 217, 244, 427, 434, 854, 868, 1708, 1891, 3782, 7564, 13237, 18661, 26474, 37322, 52948, 74644, 130627, 261254, 522508, 578491, 1138321, 1156982, 2276642, 2313964, 4049437, 4553284, 7968247, 8098874, 15936494, 16197748, 31872988, 35287951, 70575902, 141151804, 247015657, 494031314, 988062628]

約数ペア:

[(1, 988062628), (2, 494031314), (4, 247015657), (7, 141151804), (14, 70575902), (28, 35287951), (31, 31872988), (61, 16197748), (62, 15936494), (122, 8098874), (124, 7968247), (217, 4553284), (244, 4049437), (427, 2313964), (434, 2276642), (854, 1156982), (868, 1138321), (1708, 578491), (1891, 522508), (3782, 261254), (7564, 130627), (13237, 74644), (18661, 52948), (26474, 37322)]