639846792

素因数分解:

$2^3\times 3^2\times {\mathrm{13}}^1\times {\mathrm{683597}}^1$

素因数の和:683622

約数の個数: 48

約数和(自身を含む): 1866222540

約数和(自身を除く): 1226375748

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 18, 24, 26, 36, 39, 52, 72, 78, 104, 117, 156, 234, 312, 468, 936, 683597, 1367194, 2050791, 2734388, 4101582, 5468776, 6152373, 8203164, 8886761, 12304746, 16406328, 17773522, 24609492, 26660283, 35547044, 49218984, 53320566, 71094088, 79980849, 106641132, 159961698, 213282264, 319923396, 639846792]

約数ペア:

[(1, 639846792), (2, 319923396), (3, 213282264), (4, 159961698), (6, 106641132), (8, 79980849), (9, 71094088), (12, 53320566), (13, 49218984), (18, 35547044), (24, 26660283), (26, 24609492), (36, 17773522), (39, 16406328), (52, 12304746), (72, 8886761), (78, 8203164), (104, 6152373), (117, 5468776), (156, 4101582), (234, 2734388), (312, 2050791), (468, 1367194), (936, 683597)]