90449476

素因数分解:

$2^2\times {\mathrm{13}}^2\times {\mathrm{133801}}^1$

素因数の和:133831

約数の個数: 18

約数和(自身を含む): 171400362

約数和(自身を除く): 80950886

約数列:

[1, 2, 4, 13, 26, 52, 169, 338, 676, 133801, 267602, 535204, 1739413, 3478826, 6957652, 22612369, 45224738, 90449476]

約数ペア:

[(1, 90449476), (2, 45224738), (4, 22612369), (13, 6957652), (26, 3478826), (52, 1739413), (169, 535204), (338, 267602), (676, 133801)]