1287571974

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{127}}^1\times {\mathrm{6841}}^1$

素因数の和:7005

約数の個数: 64

約数和(自身を含む): 2942607360

約数和(自身を除く): 1655035386

約数列:

[1, 2, 3, 6, 13, 19, 26, 38, 39, 57, 78, 114, 127, 247, 254, 381, 494, 741, 762, 1482, 1651, 2413, 3302, 4826, 4953, 6841, 7239, 9906, 13682, 14478, 20523, 31369, 41046, 62738, 88933, 94107, 129979, 177866, 188214, 259958, 266799, 389937, 533598, 779874, 868807, 1689727, 1737614, 2606421, 3379454, 5069181, 5212842, 10138362, 11294491, 16507333, 22588982, 33014666, 33883473, 49521999, 67766946, 99043998, 214595329, 429190658, 643785987, 1287571974]

約数ペア:

[(1, 1287571974), (2, 643785987), (3, 429190658), (6, 214595329), (13, 99043998), (19, 67766946), (26, 49521999), (38, 33883473), (39, 33014666), (57, 22588982), (78, 16507333), (114, 11294491), (127, 10138362), (247, 5212842), (254, 5069181), (381, 3379454), (494, 2606421), (741, 1737614), (762, 1689727), (1482, 868807), (1651, 779874), (2413, 533598), (3302, 389937), (4826, 266799), (4953, 259958), (6841, 188214), (7239, 177866), (9906, 129979), (13682, 94107), (14478, 88933), (20523, 62738), (31369, 41046)]