251260984

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{283}}^1\times {\mathrm{8537}}^1$

素因数の和:8839

約数の個数: 32

約数和(自身を含む): 509206320

約数和(自身を除く): 257945336

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 283, 566, 1132, 2264, 3679, 7358, 8537, 14716, 17074, 29432, 34148, 68296, 110981, 221962, 443924, 887848, 2415971, 4831942, 9663884, 19327768, 31407623, 62815246, 125630492, 251260984]

約数ペア:

[(1, 251260984), (2, 125630492), (4, 62815246), (8, 31407623), (13, 19327768), (26, 9663884), (52, 4831942), (104, 2415971), (283, 887848), (566, 443924), (1132, 221962), (2264, 110981), (3679, 68296), (7358, 34148), (8537, 29432), (14716, 17074)]