1771247916

素因数分解:

$2^2\times 3^2\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{21589}}^1$

素因数の和:21695

約数の個数: 72

約数和(自身を含む): 4668103440

約数和(自身を除く): 2896855524

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 43, 53, 86, 106, 129, 159, 172, 212, 258, 318, 387, 477, 516, 636, 774, 954, 1548, 1908, 2279, 4558, 6837, 9116, 13674, 20511, 21589, 27348, 41022, 43178, 64767, 82044, 86356, 129534, 194301, 259068, 388602, 777204, 928327, 1144217, 1856654, 2288434, 2784981, 3432651, 3713308, 4576868, 5569962, 6865302, 8354943, 10297953, 11139924, 13730604, 16709886, 20595906, 33419772, 41191812, 49201331, 98402662, 147603993, 196805324, 295207986, 442811979, 590415972, 885623958, 1771247916]

約数ペア:

[(1, 1771247916), (2, 885623958), (3, 590415972), (4, 442811979), (6, 295207986), (9, 196805324), (12, 147603993), (18, 98402662), (36, 49201331), (43, 41191812), (53, 33419772), (86, 20595906), (106, 16709886), (129, 13730604), (159, 11139924), (172, 10297953), (212, 8354943), (258, 6865302), (318, 5569962), (387, 4576868), (477, 3713308), (516, 3432651), (636, 2784981), (774, 2288434), (954, 1856654), (1548, 1144217), (1908, 928327), (2279, 777204), (4558, 388602), (6837, 259068), (9116, 194301), (13674, 129534), (20511, 86356), (21589, 82044), (27348, 64767), (41022, 43178)]