25397218

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{109}}^1$

素因数の和:235

約数の個数: 64

約数和(自身を含む): 51321600

約数和(自身を除く): 25924382

約数列:

[1, 2, 7, 11, 14, 17, 22, 34, 77, 89, 109, 119, 154, 178, 187, 218, 238, 374, 623, 763, 979, 1199, 1246, 1309, 1513, 1526, 1853, 1958, 2398, 2618, 3026, 3706, 6853, 8393, 9701, 10591, 12971, 13706, 16643, 16786, 19402, 20383, 21182, 25942, 33286, 40766, 67907, 106711, 116501, 135814, 142681, 164917, 213422, 233002, 285362, 329834, 746977, 1154419, 1493954, 1814087, 2308838, 3628174, 12698609, 25397218]

約数ペア:

[(1, 25397218), (2, 12698609), (7, 3628174), (11, 2308838), (14, 1814087), (17, 1493954), (22, 1154419), (34, 746977), (77, 329834), (89, 285362), (109, 233002), (119, 213422), (154, 164917), (178, 142681), (187, 135814), (218, 116501), (238, 106711), (374, 67907), (623, 40766), (763, 33286), (979, 25942), (1199, 21182), (1246, 20383), (1309, 19402), (1513, 16786), (1526, 16643), (1853, 13706), (1958, 12971), (2398, 10591), (2618, 9701), (3026, 8393), (3706, 6853)]