31290298

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{149}}^1\times {\mathrm{197}}^1$

素因数の和:402

約数の個数: 32

約数和(自身を含む): 52390800

約数和(自身を除く): 21100502

約数列:

[1, 2, 13, 26, 41, 82, 149, 197, 298, 394, 533, 1066, 1937, 2561, 3874, 5122, 6109, 8077, 12218, 16154, 29353, 58706, 79417, 105001, 158834, 210002, 381589, 763178, 1203473, 2406946, 15645149, 31290298]

約数ペア:

[(1, 31290298), (2, 15645149), (13, 2406946), (26, 1203473), (41, 763178), (82, 381589), (149, 210002), (197, 158834), (298, 105001), (394, 79417), (533, 58706), (1066, 29353), (1937, 16154), (2561, 12218), (3874, 8077), (5122, 6109)]