1640457988

素因数分解:

$2^2\times {\mathrm{13}}^2\times {\mathrm{229}}^1\times {\mathrm{10597}}^1$

素因数の和:10856

約数の個数: 36

約数和(自身を含む): 3122488740

約数和(自身を除く): 1482030752

約数列:

[1, 2, 4, 13, 26, 52, 169, 229, 338, 458, 676, 916, 2977, 5954, 10597, 11908, 21194, 38701, 42388, 77402, 137761, 154804, 275522, 551044, 1790893, 2426713, 3581786, 4853426, 7163572, 9706852, 31547269, 63094538, 126189076, 410114497, 820228994, 1640457988]

約数ペア:

[(1, 1640457988), (2, 820228994), (4, 410114497), (13, 126189076), (26, 63094538), (52, 31547269), (169, 9706852), (229, 7163572), (338, 4853426), (458, 3581786), (676, 2426713), (916, 1790893), (2977, 551044), (5954, 275522), (10597, 154804), (11908, 137761), (21194, 77402), (38701, 42388)]