261926288

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{14149}}^1$

素因数の和:14259

約数の個数: 40

約数和(自身を含む): 552699000

約数和(自身を除く): 290772712

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 89, 104, 178, 208, 356, 712, 1157, 1424, 2314, 4628, 9256, 14149, 18512, 28298, 56596, 113192, 183937, 226384, 367874, 735748, 1259261, 1471496, 2518522, 2942992, 5037044, 10074088, 16370393, 20148176, 32740786, 65481572, 130963144, 261926288]

約数ペア:

[(1, 261926288), (2, 130963144), (4, 65481572), (8, 32740786), (13, 20148176), (16, 16370393), (26, 10074088), (52, 5037044), (89, 2942992), (104, 2518522), (178, 1471496), (208, 1259261), (356, 735748), (712, 367874), (1157, 226384), (1424, 183937), (2314, 113192), (4628, 56596), (9256, 28298), (14149, 18512)]