257084932

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{211}}^1\times {\mathrm{23431}}^1$

素因数の和:23659

約数の個数: 24

約数和(自身を含む): 486823232

約数和(自身を除く): 229738300

約数列:

[1, 2, 4, 13, 26, 52, 211, 422, 844, 2743, 5486, 10972, 23431, 46862, 93724, 304603, 609206, 1218412, 4943941, 9887882, 19775764, 64271233, 128542466, 257084932]

約数ペア:

[(1, 257084932), (2, 128542466), (4, 64271233), (13, 19775764), (26, 9887882), (52, 4943941), (211, 1218412), (422, 609206), (844, 304603), (2743, 93724), (5486, 46862), (10972, 23431)]