1289711696

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{885791}}^1$

素因数の和:885819

約数の個数: 40

約数和(自身を含む): 3075469824

約数和(自身を除く): 1785758128

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 52, 56, 91, 104, 112, 182, 208, 364, 728, 1456, 885791, 1771582, 3543164, 6200537, 7086328, 11515283, 12401074, 14172656, 23030566, 24802148, 46061132, 49604296, 80606981, 92122264, 99208592, 161213962, 184244528, 322427924, 644855848, 1289711696]

約数ペア:

[(1, 1289711696), (2, 644855848), (4, 322427924), (7, 184244528), (8, 161213962), (13, 99208592), (14, 92122264), (16, 80606981), (26, 49604296), (28, 46061132), (52, 24802148), (56, 23030566), (91, 14172656), (104, 12401074), (112, 11515283), (182, 7086328), (208, 6200537), (364, 3543164), (728, 1771582), (1456, 885791)]