201989584

素因数分解:

$2^4\times {\mathrm{991}}^1\times {\mathrm{12739}}^1$

素因数の和:13738

約数の個数: 20

約数和(自身を含む): 391780480

約数和(自身を除く): 189790896

約数列:

[1, 2, 4, 8, 16, 991, 1982, 3964, 7928, 12739, 15856, 25478, 50956, 101912, 203824, 12624349, 25248698, 50497396, 100994792, 201989584]

約数ペア:

[(1, 201989584), (2, 100994792), (4, 50497396), (8, 25248698), (16, 12624349), (991, 203824), (1982, 101912), (3964, 50956), (7928, 25478), (12739, 15856)]