678456464

素因数分解:

$2^4\times 7^1\times {\mathrm{1303}}^1\times {\mathrm{4649}}^1$

素因数の和:5967

約数の個数: 40

約数和(自身を含む): 1503772800

約数和(自身を除く): 825316336

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 1303, 2606, 4649, 5212, 9121, 9298, 10424, 18242, 18596, 20848, 32543, 36484, 37192, 65086, 72968, 74384, 130172, 145936, 260344, 520688, 6057647, 12115294, 24230588, 42403529, 48461176, 84807058, 96922352, 169614116, 339228232, 678456464]

約数ペア:

[(1, 678456464), (2, 339228232), (4, 169614116), (7, 96922352), (8, 84807058), (14, 48461176), (16, 42403529), (28, 24230588), (56, 12115294), (112, 6057647), (1303, 520688), (2606, 260344), (4649, 145936), (5212, 130172), (9121, 74384), (9298, 72968), (10424, 65086), (18242, 37192), (18596, 36484), (20848, 32543)]