690810484

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^2\times {\mathrm{145987}}^1$

素因数の和:146024

約数の個数: 36

約数和(自身を含む): 1496085024

約数和(自身を除く): 805274540

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 91, 169, 182, 338, 364, 676, 1183, 2366, 4732, 145987, 291974, 583948, 1021909, 1897831, 2043818, 3795662, 4087636, 7591324, 13284817, 24671803, 26569634, 49343606, 53139268, 98687212, 172702621, 345405242, 690810484]

約数ペア:

[(1, 690810484), (2, 345405242), (4, 172702621), (7, 98687212), (13, 53139268), (14, 49343606), (26, 26569634), (28, 24671803), (52, 13284817), (91, 7591324), (169, 4087636), (182, 3795662), (338, 2043818), (364, 1897831), (676, 1021909), (1183, 583948), (2366, 291974), (4732, 145987)]