64728430

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{311}}^1\times {\mathrm{1601}}^1$

素因数の和:1932

約数の個数: 32

約数和(自身を含む): 125955648

約数和(自身を除く): 61227218

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 311, 622, 1555, 1601, 3110, 3202, 4043, 8005, 8086, 16010, 20215, 20813, 40430, 41626, 104065, 208130, 497911, 995822, 2489555, 4979110, 6472843, 12945686, 32364215, 64728430]

約数ペア:

[(1, 64728430), (2, 32364215), (5, 12945686), (10, 6472843), (13, 4979110), (26, 2489555), (65, 995822), (130, 497911), (311, 208130), (622, 104065), (1555, 41626), (1601, 40430), (3110, 20813), (3202, 20215), (4043, 16010), (8005, 8086)]