81660456

素因数分解:

$2^3\times 3^2\times {\mathrm{61}}^1\times {\mathrm{18593}}^1$

素因数の和:18666

約数の個数: 48

約数和(自身を含む): 224801460

約数和(自身を除く): 143141004

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 61, 72, 122, 183, 244, 366, 488, 549, 732, 1098, 1464, 2196, 4392, 18593, 37186, 55779, 74372, 111558, 148744, 167337, 223116, 334674, 446232, 669348, 1134173, 1338696, 2268346, 3402519, 4536692, 6805038, 9073384, 10207557, 13610076, 20415114, 27220152, 40830228, 81660456]

約数ペア:

[(1, 81660456), (2, 40830228), (3, 27220152), (4, 20415114), (6, 13610076), (8, 10207557), (9, 9073384), (12, 6805038), (18, 4536692), (24, 3402519), (36, 2268346), (61, 1338696), (72, 1134173), (122, 669348), (183, 446232), (244, 334674), (366, 223116), (488, 167337), (549, 148744), (732, 111558), (1098, 74372), (1464, 55779), (2196, 37186), (4392, 18593)]