248266977

素因数分解:

$3^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{103}}^1\times {\mathrm{863}}^1$

素因数の和:1002

約数の個数: 48

約数和(自身を含む): 409743360

約数和(自身を除く): 161476383

約数列:

[1, 3, 7, 19, 21, 49, 57, 103, 133, 147, 309, 399, 721, 863, 931, 1957, 2163, 2589, 2793, 5047, 5871, 6041, 13699, 15141, 16397, 18123, 41097, 42287, 49191, 88889, 95893, 114779, 126861, 266667, 287679, 344337, 622223, 803453, 1688891, 1866669, 2410359, 4355561, 5066673, 11822237, 13066683, 35466711, 82755659, 248266977]

約数ペア:

[(1, 248266977), (3, 82755659), (7, 35466711), (19, 13066683), (21, 11822237), (49, 5066673), (57, 4355561), (103, 2410359), (133, 1866669), (147, 1688891), (309, 803453), (399, 622223), (721, 344337), (863, 287679), (931, 266667), (1957, 126861), (2163, 114779), (2589, 95893), (2793, 88889), (5047, 49191), (5871, 42287), (6041, 41097), (13699, 18123), (15141, 16397)]