81381256

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{48673}}^1$

素因数の和:48709

約数の個数: 32

約数和(自身を含む): 175226400

約数和(自身を除く): 93845144

約数列:

[1, 2, 4, 8, 11, 19, 22, 38, 44, 76, 88, 152, 209, 418, 836, 1672, 48673, 97346, 194692, 389384, 535403, 924787, 1070806, 1849574, 2141612, 3699148, 4283224, 7398296, 10172657, 20345314, 40690628, 81381256]

約数ペア:

[(1, 81381256), (2, 40690628), (4, 20345314), (8, 10172657), (11, 7398296), (19, 4283224), (22, 3699148), (38, 2141612), (44, 1849574), (76, 1070806), (88, 924787), (152, 535403), (209, 389384), (418, 194692), (836, 97346), (1672, 48673)]