81394784

素因数分解:

$2^5\times {\mathrm{19}}^1\times {\mathrm{133873}}^1$

素因数の和:133902

約数の個数: 24

約数和(自身を含む): 168681240

約数和(自身を除く): 87286456

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 76, 152, 304, 608, 133873, 267746, 535492, 1070984, 2141968, 2543587, 4283936, 5087174, 10174348, 20348696, 40697392, 81394784]

約数ペア:

[(1, 81394784), (2, 40697392), (4, 20348696), (8, 10174348), (16, 5087174), (19, 4283936), (32, 2543587), (38, 2141968), (76, 1070984), (152, 535492), (304, 267746), (608, 133873)]