27765556

素因数分解:

$2^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{641}}^1$

素因数の和:689

約数の個数: 72

約数和(自身を含む): 64551816

約数和(自身を除く): 36786260

約数列:

[1, 2, 4, 7, 13, 14, 17, 26, 28, 34, 49, 52, 68, 91, 98, 119, 182, 196, 221, 238, 364, 442, 476, 637, 641, 833, 884, 1274, 1282, 1547, 1666, 2548, 2564, 3094, 3332, 4487, 6188, 8333, 8974, 10829, 10897, 16666, 17948, 21658, 21794, 31409, 33332, 43316, 43588, 58331, 62818, 76279, 116662, 125636, 141661, 152558, 233324, 283322, 305116, 408317, 533953, 566644, 816634, 991627, 1067906, 1633268, 1983254, 2135812, 3966508, 6941389, 13882778, 27765556]

約数ペア:

[(1, 27765556), (2, 13882778), (4, 6941389), (7, 3966508), (13, 2135812), (14, 1983254), (17, 1633268), (26, 1067906), (28, 991627), (34, 816634), (49, 566644), (52, 533953), (68, 408317), (91, 305116), (98, 283322), (119, 233324), (182, 152558), (196, 141661), (221, 125636), (238, 116662), (364, 76279), (442, 62818), (476, 58331), (637, 43588), (641, 43316), (833, 33332), (884, 31409), (1274, 21794), (1282, 21658), (1547, 17948), (1666, 16666), (2548, 10897), (2564, 10829), (3094, 8974), (3332, 8333), (4487, 6188)]