8005228

素因数分解:

$2^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{79}}^1$

素因数の和:155

約数の個数: 72

約数和(自身を含む): 18385920

約数和(自身を除く): 10380692

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 47, 49, 77, 79, 94, 98, 154, 158, 188, 196, 308, 316, 329, 517, 539, 553, 658, 869, 1034, 1078, 1106, 1316, 1738, 2068, 2156, 2212, 2303, 3476, 3619, 3713, 3871, 4606, 6083, 7238, 7426, 7742, 9212, 12166, 14476, 14852, 15484, 24332, 25333, 25991, 40843, 42581, 50666, 51982, 81686, 85162, 101332, 103964, 163372, 170324, 181937, 285901, 363874, 571802, 727748, 1143604, 2001307, 4002614, 8005228]

約数ペア:

[(1, 8005228), (2, 4002614), (4, 2001307), (7, 1143604), (11, 727748), (14, 571802), (22, 363874), (28, 285901), (44, 181937), (47, 170324), (49, 163372), (77, 103964), (79, 101332), (94, 85162), (98, 81686), (154, 51982), (158, 50666), (188, 42581), (196, 40843), (308, 25991), (316, 25333), (329, 24332), (517, 15484), (539, 14852), (553, 14476), (658, 12166), (869, 9212), (1034, 7742), (1078, 7426), (1106, 7238), (1316, 6083), (1738, 4606), (2068, 3871), (2156, 3713), (2212, 3619), (2303, 3476)]