64744385

素因数分解:

$5^1\times {\mathrm{29}}^2\times {\mathrm{89}}^1\times {\mathrm{173}}^1$

素因数の和:325

約数の個数: 24

約数和(自身を含む): 81839160

約数和(自身を除く): 17094775

約数列:

[1, 5, 29, 89, 145, 173, 445, 841, 865, 2581, 4205, 5017, 12905, 15397, 25085, 74849, 76985, 145493, 374245, 446513, 727465, 2232565, 12948877, 64744385]

約数ペア:

[(1, 64744385), (5, 12948877), (29, 2232565), (89, 727465), (145, 446513), (173, 374245), (445, 145493), (841, 76985), (865, 74849), (2581, 25085), (4205, 15397), (5017, 12905)]