201227665

素因数分解:

$5^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{89}}^1\times {\mathrm{503}}^1$

素因数の和:657

約数の個数: 32

約数和(自身を含む): 261273600

約数和(自身を除く): 60045935

約数列:

[1, 5, 29, 31, 89, 145, 155, 445, 503, 899, 2515, 2581, 2759, 4495, 12905, 13795, 14587, 15593, 44767, 72935, 77965, 80011, 223835, 400055, 452197, 1298243, 1387777, 2260985, 6491215, 6938885, 40245533, 201227665]

約数ペア:

[(1, 201227665), (5, 40245533), (29, 6938885), (31, 6491215), (89, 2260985), (145, 1387777), (155, 1298243), (445, 452197), (503, 400055), (899, 223835), (2515, 80011), (2581, 77965), (2759, 72935), (4495, 44767), (12905, 15593), (13795, 14587)]