131516

素因数分解:

$2^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{61}}^1$

素因数の和:90

約数の個数: 36

約数和(自身を含む): 296856

約数和(自身を除く): 165340

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 49, 61, 77, 98, 122, 154, 196, 244, 308, 427, 539, 671, 854, 1078, 1342, 1708, 2156, 2684, 2989, 4697, 5978, 9394, 11956, 18788, 32879, 65758, 131516]

約数ペア:

[(1, 131516), (2, 65758), (4, 32879), (7, 18788), (11, 11956), (14, 9394), (22, 5978), (28, 4697), (44, 2989), (49, 2684), (61, 2156), (77, 1708), (98, 1342), (122, 1078), (154, 854), (196, 671), (244, 539), (308, 427)]