291227216

素因数分解:

$2^4\times 7^1\times {\mathrm{113}}^1\times {\mathrm{23011}}^1$

素因数の和:23139

約数の個数: 40

約数和(自身を含む): 650595264

約数和(自身を除く): 359368048

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 113, 226, 452, 791, 904, 1582, 1808, 3164, 6328, 12656, 23011, 46022, 92044, 161077, 184088, 322154, 368176, 644308, 1288616, 2577232, 2600243, 5200486, 10400972, 18201701, 20801944, 36403402, 41603888, 72806804, 145613608, 291227216]

約数ペア:

[(1, 291227216), (2, 145613608), (4, 72806804), (7, 41603888), (8, 36403402), (14, 20801944), (16, 18201701), (28, 10400972), (56, 5200486), (112, 2600243), (113, 2577232), (226, 1288616), (452, 644308), (791, 368176), (904, 322154), (1582, 184088), (1808, 161077), (3164, 92044), (6328, 46022), (12656, 23011)]