200981885

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{173}}^1\times {\mathrm{293}}^1$

素因数の和:545

約数の個数: 32

約数和(自身を含む): 266420448

約数和(自身を除く): 65438563

約数列:

[1, 5, 13, 61, 65, 173, 293, 305, 793, 865, 1465, 2249, 3809, 3965, 10553, 11245, 17873, 19045, 50689, 52765, 89365, 137189, 232349, 253445, 658957, 685945, 1161745, 3092029, 3294785, 15460145, 40196377, 200981885]

約数ペア:

[(1, 200981885), (5, 40196377), (13, 15460145), (61, 3294785), (65, 3092029), (173, 1161745), (293, 685945), (305, 658957), (793, 253445), (865, 232349), (1465, 137189), (2249, 89365), (3809, 52765), (3965, 50689), (10553, 19045), (11245, 17873)]