201171985

素因数分解:

$5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{4217}}^1$

素因数の和:4305

約数の個数: 32

約数和(自身を含む): 291548160

約数和(自身を除く): 90376175

約数列:

[1, 5, 7, 29, 35, 47, 145, 203, 235, 329, 1015, 1363, 1645, 4217, 6815, 9541, 21085, 29519, 47705, 122293, 147595, 198199, 611465, 856051, 990995, 1387393, 4280255, 5747771, 6936965, 28738855, 40234397, 201171985]

約数ペア:

[(1, 201171985), (5, 40234397), (7, 28738855), (29, 6936965), (35, 5747771), (47, 4280255), (145, 1387393), (203, 990995), (235, 856051), (329, 611465), (1015, 198199), (1363, 147595), (1645, 122293), (4217, 47705), (6815, 29519), (9541, 21085)]