289314155

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{131}}^1\times {\mathrm{557}}^1$

素因数の和:767

約数の個数: 32

約数和(自身を含む): 383600448

約数和(自身を除く): 94286293

約数列:

[1, 5, 13, 61, 65, 131, 305, 557, 655, 793, 1703, 2785, 3965, 7241, 7991, 8515, 33977, 36205, 39955, 72967, 103883, 169885, 364835, 441701, 519415, 948571, 2208505, 4450987, 4742855, 22254935, 57862831, 289314155]

約数ペア:

[(1, 289314155), (5, 57862831), (13, 22254935), (61, 4742855), (65, 4450987), (131, 2208505), (305, 948571), (557, 519415), (655, 441701), (793, 364835), (1703, 169885), (2785, 103883), (3965, 72967), (7241, 39955), (7991, 36205), (8515, 33977)]