129136390

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{6829}}^1$

素因数の和:6928

約数の個数: 32

約数和(自身を含む): 243912960

約数和(自身を除く): 114776570

約数列:

[1, 2, 5, 10, 31, 61, 62, 122, 155, 305, 310, 610, 1891, 3782, 6829, 9455, 13658, 18910, 34145, 68290, 211699, 416569, 423398, 833138, 1058495, 2082845, 2116990, 4165690, 12913639, 25827278, 64568195, 129136390]

約数ペア:

[(1, 129136390), (2, 64568195), (5, 25827278), (10, 12913639), (31, 4165690), (61, 2116990), (62, 2082845), (122, 1058495), (155, 833138), (305, 423398), (310, 416569), (610, 211699), (1891, 68290), (3782, 34145), (6829, 18910), (9455, 13658)]