689987956

素因数分解:

$2^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{251}}^1\times {\mathrm{3167}}^1$

素因数の和:3460

約数の個数: 48

約数和(自身を含む): 1430618112

約数和(自身を除く): 740630156

約数列:

[1, 2, 4, 7, 14, 28, 31, 62, 124, 217, 251, 434, 502, 868, 1004, 1757, 3167, 3514, 6334, 7028, 7781, 12668, 15562, 22169, 31124, 44338, 54467, 88676, 98177, 108934, 196354, 217868, 392708, 687239, 794917, 1374478, 1589834, 2748956, 3179668, 5564419, 11128838, 22257676, 24642427, 49284854, 98569708, 172496989, 344993978, 689987956]

約数ペア:

[(1, 689987956), (2, 344993978), (4, 172496989), (7, 98569708), (14, 49284854), (28, 24642427), (31, 22257676), (62, 11128838), (124, 5564419), (217, 3179668), (251, 2748956), (434, 1589834), (502, 1374478), (868, 794917), (1004, 687239), (1757, 392708), (3167, 217868), (3514, 196354), (6334, 108934), (7028, 98177), (7781, 88676), (12668, 54467), (15562, 44338), (22169, 31124)]