781630309072

素因数分解:

$2^4\times {\mathrm{67}}^1\times {\mathrm{5309}}^1\times {\mathrm{137339}}^1$

素因数の和:142723

約数の個数: 40

約数和(自身を含む): 1537312543200

約数和(自身を除く): 755682234128

約数列:

[1, 2, 4, 8, 16, 67, 134, 268, 536, 1072, 5309, 10618, 21236, 42472, 84944, 137339, 274678, 355703, 549356, 711406, 1098712, 1422812, 2197424, 2845624, 5691248, 9201713, 18403426, 36806852, 73613704, 147227408, 729132751, 1458265502, 2916531004, 5833062008, 11666124016, 48851894317, 97703788634, 195407577268, 390815154536, 781630309072]

約数ペア:

[(1, 781630309072), (2, 390815154536), (4, 195407577268), (8, 97703788634), (16, 48851894317), (67, 11666124016), (134, 5833062008), (268, 2916531004), (536, 1458265502), (1072, 729132751), (5309, 147227408), (10618, 73613704), (21236, 36806852), (42472, 18403426), (84944, 9201713), (137339, 5691248), (274678, 2845624), (355703, 2197424), (549356, 1422812), (711406, 1098712)]