257091534

素因数分解:

$2^1\times 3^2\times 7^3\times {\mathrm{41641}}^1$

素因数の和:41670

約数の個数: 48

約数和(自身を含む): 649615200

約数和(自身を除く): 392523666

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 49, 63, 98, 126, 147, 294, 343, 441, 686, 882, 1029, 2058, 3087, 6174, 41641, 83282, 124923, 249846, 291487, 374769, 582974, 749538, 874461, 1748922, 2040409, 2623383, 4080818, 5246766, 6121227, 12242454, 14282863, 18363681, 28565726, 36727362, 42848589, 85697178, 128545767, 257091534]

約数ペア:

[(1, 257091534), (2, 128545767), (3, 85697178), (6, 42848589), (7, 36727362), (9, 28565726), (14, 18363681), (18, 14282863), (21, 12242454), (42, 6121227), (49, 5246766), (63, 4080818), (98, 2623383), (126, 2040409), (147, 1748922), (294, 874461), (343, 749538), (441, 582974), (686, 374769), (882, 291487), (1029, 249846), (2058, 124923), (3087, 83282), (6174, 41641)]