678393972

素因数分解:

$2^2\times 3^2\times {\mathrm{43}}^1\times {\mathrm{101}}^1\times {\mathrm{4339}}^1$

素因数の和:4493

約数の個数: 72

約数和(自身を含む): 1772490720

約数和(自身を除く): 1094096748

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 43, 86, 101, 129, 172, 202, 258, 303, 387, 404, 516, 606, 774, 909, 1212, 1548, 1818, 3636, 4339, 4343, 8678, 8686, 13017, 13029, 17356, 17372, 26034, 26058, 39051, 39087, 52068, 52116, 78102, 78174, 156204, 156348, 186577, 373154, 438239, 559731, 746308, 876478, 1119462, 1314717, 1679193, 1752956, 2238924, 2629434, 3358386, 3944151, 5258868, 6716772, 7888302, 15776604, 18844277, 37688554, 56532831, 75377108, 113065662, 169598493, 226131324, 339196986, 678393972]

約数ペア:

[(1, 678393972), (2, 339196986), (3, 226131324), (4, 169598493), (6, 113065662), (9, 75377108), (12, 56532831), (18, 37688554), (36, 18844277), (43, 15776604), (86, 7888302), (101, 6716772), (129, 5258868), (172, 3944151), (202, 3358386), (258, 2629434), (303, 2238924), (387, 1752956), (404, 1679193), (516, 1314717), (606, 1119462), (774, 876478), (909, 746308), (1212, 559731), (1548, 438239), (1818, 373154), (3636, 186577), (4339, 156348), (4343, 156204), (8678, 78174), (8686, 78102), (13017, 52116), (13029, 52068), (17356, 39087), (17372, 39051), (26034, 26058)]