81406222

素因数分解:

$2^1\times {\mathrm{19}}^2\times {\mathrm{137}}^1\times {\mathrm{823}}^1$

素因数の和:1000

約数の個数: 24

約数和(自身を含む): 129972816

約数和(自身を除く): 48566594

約数列:

[1, 2, 19, 38, 137, 274, 361, 722, 823, 1646, 2603, 5206, 15637, 31274, 49457, 98914, 112751, 225502, 297103, 594206, 2142269, 4284538, 40703111, 81406222]

約数ペア:

[(1, 81406222), (2, 40703111), (19, 4284538), (38, 2142269), (137, 594206), (274, 297103), (361, 225502), (722, 112751), (823, 98914), (1646, 49457), (2603, 31274), (5206, 15637)]