85221790

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{274909}}^1$

素因数の和:274947

約数の個数: 16

約数和(自身を含む): 158348160

約数和(自身を除く): 73126370

約数列:

[1, 2, 5, 10, 31, 62, 155, 310, 274909, 549818, 1374545, 2749090, 8522179, 17044358, 42610895, 85221790]

約数ペア:

[(1, 85221790), (2, 42610895), (5, 17044358), (10, 8522179), (31, 2749090), (62, 1374545), (155, 549818), (310, 274909)]