31171998

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{773}}^1$

素因数の和:849

約数の個数: 64

約数和(自身を含む): 74898432

約数和(自身を除く): 43726434

約数列:

[1, 2, 3, 6, 11, 13, 22, 26, 33, 39, 47, 66, 78, 94, 141, 143, 282, 286, 429, 517, 611, 773, 858, 1034, 1222, 1546, 1551, 1833, 2319, 3102, 3666, 4638, 6721, 8503, 10049, 13442, 17006, 20098, 20163, 25509, 30147, 36331, 40326, 51018, 60294, 72662, 108993, 110539, 217986, 221078, 331617, 399641, 472303, 663234, 799282, 944606, 1198923, 1416909, 2397846, 2833818, 5195333, 10390666, 15585999, 31171998]

約数ペア:

[(1, 31171998), (2, 15585999), (3, 10390666), (6, 5195333), (11, 2833818), (13, 2397846), (22, 1416909), (26, 1198923), (33, 944606), (39, 799282), (47, 663234), (66, 472303), (78, 399641), (94, 331617), (141, 221078), (143, 217986), (282, 110539), (286, 108993), (429, 72662), (517, 60294), (611, 51018), (773, 40326), (858, 36331), (1034, 30147), (1222, 25509), (1546, 20163), (1551, 20098), (1833, 17006), (2319, 13442), (3102, 10049), (3666, 8503), (4638, 6721)]