81673774

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{281}}^1\times {\mathrm{1597}}^1$

素因数の和:1900

約数の個数: 32

約数和(自身を含む): 151413696

約数和(自身を除く): 69739922

約数列:

[1, 2, 7, 13, 14, 26, 91, 182, 281, 562, 1597, 1967, 3194, 3653, 3934, 7306, 11179, 20761, 22358, 25571, 41522, 51142, 145327, 290654, 448757, 897514, 3141299, 5833841, 6282598, 11667682, 40836887, 81673774]

約数ペア:

[(1, 81673774), (2, 40836887), (7, 11667682), (13, 6282598), (14, 5833841), (26, 3141299), (91, 897514), (182, 448757), (281, 290654), (562, 145327), (1597, 51142), (1967, 41522), (3194, 25571), (3653, 22358), (3934, 20761), (7306, 11179)]