212141990

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{684329}}^1$

素因数の和:684367

約数の個数: 16

約数和(自身を含む): 394174080

約数和(自身を除く): 182032090

約数列:

[1, 2, 5, 10, 31, 62, 155, 310, 684329, 1368658, 3421645, 6843290, 21214199, 42428398, 106070995, 212141990]

約数ペア:

[(1, 212141990), (2, 106070995), (5, 42428398), (10, 21214199), (31, 6843290), (62, 3421645), (155, 1368658), (310, 684329)]