646731410

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{283}}^1\times {\mathrm{17579}}^1$

素因数の和:17882

約数の個数: 32

約数和(自身を含む): 1258165440

約数和(自身を除く): 611434030

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 283, 566, 1415, 2830, 3679, 7358, 17579, 18395, 35158, 36790, 87895, 175790, 228527, 457054, 1142635, 2285270, 4974857, 9949714, 24874285, 49748570, 64673141, 129346282, 323365705, 646731410]

約数ペア:

[(1, 646731410), (2, 323365705), (5, 129346282), (10, 64673141), (13, 49748570), (26, 24874285), (65, 9949714), (130, 4974857), (283, 2285270), (566, 1142635), (1415, 457054), (2830, 228527), (3679, 175790), (7358, 87895), (17579, 36790), (18395, 35158)]