780898612

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{257}}^1\times {\mathrm{823}}^1$

素因数の和:1168

約数の個数: 48

約数和(自身を含む): 1500049152

約数和(自身を除く): 719150540

約数列:

[1, 2, 4, 13, 26, 52, 71, 142, 257, 284, 514, 823, 923, 1028, 1646, 1846, 3292, 3341, 3692, 6682, 10699, 13364, 18247, 21398, 36494, 42796, 58433, 72988, 116866, 211511, 233732, 237211, 423022, 474422, 759629, 846044, 948844, 1519258, 2749643, 3038516, 5499286, 10998572, 15017281, 30034562, 60069124, 195224653, 390449306, 780898612]

約数ペア:

[(1, 780898612), (2, 390449306), (4, 195224653), (13, 60069124), (26, 30034562), (52, 15017281), (71, 10998572), (142, 5499286), (257, 3038516), (284, 2749643), (514, 1519258), (823, 948844), (923, 846044), (1028, 759629), (1646, 474422), (1846, 423022), (3292, 237211), (3341, 233732), (3692, 211511), (6682, 116866), (10699, 72988), (13364, 58433), (18247, 42796), (21398, 36494)]