821808

素因数分解:

$2^4\times 3^2\times {\mathrm{13}}^1\times {\mathrm{439}}^1$

素因数の和:466

約数の個数: 60

約数和(自身を含む): 2482480

約数和(自身を除く): 1660672

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, 439, 468, 624, 878, 936, 1317, 1756, 1872, 2634, 3512, 3951, 5268, 5707, 7024, 7902, 10536, 11414, 15804, 17121, 21072, 22828, 31608, 34242, 45656, 51363, 63216, 68484, 91312, 102726, 136968, 205452, 273936, 410904, 821808]

約数ペア:

[(1, 821808), (2, 410904), (3, 273936), (4, 205452), (6, 136968), (8, 102726), (9, 91312), (12, 68484), (13, 63216), (16, 51363), (18, 45656), (24, 34242), (26, 31608), (36, 22828), (39, 21072), (48, 17121), (52, 15804), (72, 11414), (78, 10536), (104, 7902), (117, 7024), (144, 5707), (156, 5268), (208, 3951), (234, 3512), (312, 2634), (439, 1872), (468, 1756), (624, 1317), (878, 936)]