7221136

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{149}}^1\times {\mathrm{233}}^1$

素因数の和:403

約数の個数: 40

約数和(自身を含む): 15233400

約数和(自身を除く): 8012264

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 149, 208, 233, 298, 466, 596, 932, 1192, 1864, 1937, 2384, 3029, 3728, 3874, 6058, 7748, 12116, 15496, 24232, 30992, 34717, 48464, 69434, 138868, 277736, 451321, 555472, 902642, 1805284, 3610568, 7221136]

約数ペア:

[(1, 7221136), (2, 3610568), (4, 1805284), (8, 902642), (13, 555472), (16, 451321), (26, 277736), (52, 138868), (104, 69434), (149, 48464), (208, 34717), (233, 30992), (298, 24232), (466, 15496), (596, 12116), (932, 7748), (1192, 6058), (1864, 3874), (1937, 3728), (2384, 3029)]