257130666

素因数分解:

$2^1\times 3^3\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{6911}}^1$

素因数の和:6988

約数の個数: 64

約数和(自身を含む): 627056640

約数和(自身を除く): 369925974

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 27, 39, 53, 54, 78, 106, 117, 159, 234, 318, 351, 477, 689, 702, 954, 1378, 1431, 2067, 2862, 4134, 6201, 6911, 12402, 13822, 18603, 20733, 37206, 41466, 62199, 89843, 124398, 179686, 186597, 269529, 366283, 373194, 539058, 732566, 808587, 1098849, 1617174, 2197698, 2425761, 3296547, 4761679, 4851522, 6593094, 9523358, 9889641, 14285037, 19779282, 28570074, 42855111, 85710222, 128565333, 257130666]

約数ペア:

[(1, 257130666), (2, 128565333), (3, 85710222), (6, 42855111), (9, 28570074), (13, 19779282), (18, 14285037), (26, 9889641), (27, 9523358), (39, 6593094), (53, 4851522), (54, 4761679), (78, 3296547), (106, 2425761), (117, 2197698), (159, 1617174), (234, 1098849), (318, 808587), (351, 732566), (477, 539058), (689, 373194), (702, 366283), (954, 269529), (1378, 186597), (1431, 179686), (2067, 124398), (2862, 89843), (4134, 62199), (6201, 41466), (6911, 37206), (12402, 20733), (13822, 18603)]