291223964

素因数分解:

$2^2\times {\mathrm{313}}^1\times {\mathrm{232607}}^1$

素因数の和:232924

約数の個数: 12

約数和(自身を含む): 511272384

約数和(自身を除く): 220048420

約数列:

[1, 2, 4, 313, 626, 1252, 232607, 465214, 930428, 72805991, 145611982, 291223964]

約数ペア:

[(1, 291223964), (2, 145611982), (4, 72805991), (313, 930428), (626, 465214), (1252, 232607)]