73989775

素因数分解:

$5^2\times {\mathrm{67}}^1\times {\mathrm{163}}^1\times {\mathrm{271}}^1$

素因数の和:511

約数の個数: 24

約数和(自身を含む): 94033664

約数和(自身を除く): 20043889

約数列:

[1, 5, 25, 67, 163, 271, 335, 815, 1355, 1675, 4075, 6775, 10921, 18157, 44173, 54605, 90785, 220865, 273025, 453925, 1104325, 2959591, 14797955, 73989775]

約数ペア:

[(1, 73989775), (5, 14797955), (25, 2959591), (67, 1104325), (163, 453925), (271, 273025), (335, 220865), (815, 90785), (1355, 54605), (1675, 44173), (4075, 18157), (6775, 10921)]