257967216

素因数分解:

$2^4\times 3^2\times {\mathrm{13}}^1\times {\mathrm{137803}}^1$

素因数の和:137830

約数の個数: 60

約数和(自身を含む): 777490168

約数和(自身を除く): 519522952

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 24, 26, 36, 39, 48, 52, 72, 78, 104, 117, 144, 156, 208, 234, 312, 468, 624, 936, 1872, 137803, 275606, 413409, 551212, 826818, 1102424, 1240227, 1653636, 1791439, 2204848, 2480454, 3307272, 3582878, 4960908, 5374317, 6614544, 7165756, 9921816, 10748634, 14331512, 16122951, 19843632, 21497268, 28663024, 32245902, 42994536, 64491804, 85989072, 128983608, 257967216]

約数ペア:

[(1, 257967216), (2, 128983608), (3, 85989072), (4, 64491804), (6, 42994536), (8, 32245902), (9, 28663024), (12, 21497268), (13, 19843632), (16, 16122951), (18, 14331512), (24, 10748634), (26, 9921816), (36, 7165756), (39, 6614544), (48, 5374317), (52, 4960908), (72, 3582878), (78, 3307272), (104, 2480454), (117, 2204848), (144, 1791439), (156, 1653636), (208, 1240227), (234, 1102424), (312, 826818), (468, 551212), (624, 413409), (936, 275606), (1872, 137803)]