216857090

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{699539}}^1$

素因数の和:699577

約数の個数: 16

約数和(自身を含む): 402935040

約数和(自身を除く): 186077950

約数列:

[1, 2, 5, 10, 31, 62, 155, 310, 699539, 1399078, 3497695, 6995390, 21685709, 43371418, 108428545, 216857090]

約数ペア:

[(1, 216857090), (2, 108428545), (5, 43371418), (10, 21685709), (31, 6995390), (62, 3497695), (155, 1399078), (310, 699539)]