215145890

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{694019}}^1$

素因数の和:694057

約数の個数: 16

約数和(自身を含む): 399755520

約数和(自身を除く): 184609630

約数列:

[1, 2, 5, 10, 31, 62, 155, 310, 694019, 1388038, 3470095, 6940190, 21514589, 43029178, 107572945, 215145890]

約数ペア:

[(1, 215145890), (2, 107572945), (5, 43029178), (10, 21514589), (31, 6940190), (62, 3470095), (155, 1388038), (310, 694019)]