156978518515

素因数分解:

$5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{239}}^1\times {\mathrm{206221}}^1$

素因数の和:206492

約数の個数: 48

約数和(自身を含む): 236973824640

約数和(自身を除く): 79995306125

約数列:

[1, 5, 7, 13, 35, 49, 65, 91, 239, 245, 455, 637, 1195, 1673, 3107, 3185, 8365, 11711, 15535, 21749, 58555, 108745, 152243, 206221, 761215, 1031105, 1443547, 2680873, 7217735, 10104829, 13404365, 18766111, 49286819, 50524145, 93830555, 131362777, 246434095, 345007733, 640728647, 656813885, 1725038665, 2415054131, 3203643235, 4485100529, 12075270655, 22425502645, 31395703703, 156978518515]

約数ペア:

[(1, 156978518515), (5, 31395703703), (7, 22425502645), (13, 12075270655), (35, 4485100529), (49, 3203643235), (65, 2415054131), (91, 1725038665), (239, 656813885), (245, 640728647), (455, 345007733), (637, 246434095), (1195, 131362777), (1673, 93830555), (3107, 50524145), (3185, 49286819), (8365, 18766111), (11711, 13404365), (15535, 10104829), (21749, 7217735), (58555, 2680873), (108745, 1443547), (152243, 1031105), (206221, 761215)]