81256968

素因数分解:

$2^3\times 3^2\times {\mathrm{13}}^1\times {\mathrm{86813}}^1$

素因数の和:86838

約数の個数: 48

約数和(自身を含む): 237002220

約数和(自身を除く): 155745252

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, 86813, 173626, 260439, 347252, 520878, 694504, 781317, 1041756, 1128569, 1562634, 2083512, 2257138, 3125268, 3385707, 4514276, 6250536, 6771414, 9028552, 10157121, 13542828, 20314242, 27085656, 40628484, 81256968]

約数ペア:

[(1, 81256968), (2, 40628484), (3, 27085656), (4, 20314242), (6, 13542828), (8, 10157121), (9, 9028552), (12, 6771414), (13, 6250536), (18, 4514276), (24, 3385707), (26, 3125268), (36, 2257138), (39, 2083512), (52, 1562634), (72, 1128569), (78, 1041756), (104, 781317), (117, 694504), (156, 520878), (234, 347252), (312, 260439), (468, 173626), (936, 86813)]