245336778

素因数分解:

$2^1\times 3^2\times {\mathrm{19}}^1\times {\mathrm{383}}^1\times {\mathrm{1873}}^1$

素因数の和:2283

約数の個数: 48

約数和(自身を含む): 561300480

約数和(自身を除く): 315963702

約数列:

[1, 2, 3, 6, 9, 18, 19, 38, 57, 114, 171, 342, 383, 766, 1149, 1873, 2298, 3447, 3746, 5619, 6894, 7277, 11238, 14554, 16857, 21831, 33714, 35587, 43662, 65493, 71174, 106761, 130986, 213522, 320283, 640566, 717359, 1434718, 2152077, 4304154, 6456231, 12912462, 13629821, 27259642, 40889463, 81778926, 122668389, 245336778]

約数ペア:

[(1, 245336778), (2, 122668389), (3, 81778926), (6, 40889463), (9, 27259642), (18, 13629821), (19, 12912462), (38, 6456231), (57, 4304154), (114, 2152077), (171, 1434718), (342, 717359), (383, 640566), (766, 320283), (1149, 213522), (1873, 130986), (2298, 106761), (3447, 71174), (3746, 65493), (5619, 43662), (6894, 35587), (7277, 33714), (11238, 21831), (14554, 16857)]