39999994

素因数分解:

$2^1\times {\mathrm{59}}^1\times {\mathrm{257}}^1\times {\mathrm{1319}}^1$

素因数の和:1637

約数の個数: 16

約数和(自身を含む): 61300800

約数和(自身を除く): 21300806

約数列:

[1, 2, 59, 118, 257, 514, 1319, 2638, 15163, 30326, 77821, 155642, 338983, 677966, 19999997, 39999994]

約数ペア:

[(1, 39999994), (2, 19999997), (59, 677966), (118, 338983), (257, 155642), (514, 77821), (1319, 30326), (2638, 15163)]