16531048660

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{521}}^1\times {\mathrm{32377}}^1$

素因数の和:32921

約数の個数: 72

約数和(自身を含む): 40461750504

約数和(自身を除く): 23930701844

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 521, 980, 1042, 2084, 2605, 3647, 5210, 7294, 10420, 14588, 18235, 25529, 32377, 36470, 51058, 64754, 72940, 102116, 127645, 129508, 161885, 226639, 255290, 323770, 453278, 510580, 647540, 906556, 1133195, 1586473, 2266390, 3172946, 4532780, 6345892, 7932365, 15864730, 16868417, 31729460, 33736834, 67473668, 84342085, 118078919, 168684170, 236157838, 337368340, 472315676, 590394595, 826552433, 1180789190, 1653104866, 2361578380, 3306209732, 4132762165, 8265524330, 16531048660]

約数ペア:

[(1, 16531048660), (2, 8265524330), (4, 4132762165), (5, 3306209732), (7, 2361578380), (10, 1653104866), (14, 1180789190), (20, 826552433), (28, 590394595), (35, 472315676), (49, 337368340), (70, 236157838), (98, 168684170), (140, 118078919), (196, 84342085), (245, 67473668), (490, 33736834), (521, 31729460), (980, 16868417), (1042, 15864730), (2084, 7932365), (2605, 6345892), (3647, 4532780), (5210, 3172946), (7294, 2266390), (10420, 1586473), (14588, 1133195), (18235, 906556), (25529, 647540), (32377, 510580), (36470, 453278), (51058, 323770), (64754, 255290), (72940, 226639), (102116, 161885), (127645, 129508)]