81195190

素因数分解:

$2^1\times 5^1\times {\mathrm{109}}^1\times {\mathrm{163}}^1\times {\mathrm{457}}^1$

素因数の和:736

約数の個数: 32

約数和(自身を含む): 148721760

約数和(自身を除く): 67526570

約数列:

[1, 2, 5, 10, 109, 163, 218, 326, 457, 545, 815, 914, 1090, 1630, 2285, 4570, 17767, 35534, 49813, 74491, 88835, 99626, 148982, 177670, 249065, 372455, 498130, 744910, 8119519, 16239038, 40597595, 81195190]

約数ペア:

[(1, 81195190), (2, 40597595), (5, 16239038), (10, 8119519), (109, 744910), (163, 498130), (218, 372455), (326, 249065), (457, 177670), (545, 148982), (815, 99626), (914, 88835), (1090, 74491), (1630, 49813), (2285, 35534), (4570, 17767)]