2557542386

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{149}}^1\times {\mathrm{173}}^1\times {\mathrm{373}}^1$

素因数の和:723

約数の個数: 64

約数和(自身を含む): 4685472000

約数和(自身を除く): 2127929614

約数列:

[1, 2, 7, 14, 19, 38, 133, 149, 173, 266, 298, 346, 373, 746, 1043, 1211, 2086, 2422, 2611, 2831, 3287, 5222, 5662, 6574, 7087, 14174, 19817, 23009, 25777, 39634, 46018, 49609, 51554, 55577, 64529, 99218, 111154, 129058, 180439, 360878, 389039, 451703, 489763, 778078, 903406, 979526, 1055963, 1226051, 2111926, 2452102, 3428341, 6856682, 7391741, 8582357, 9614821, 14783482, 17164714, 19229642, 67303747, 134607494, 182681599, 365363198, 1278771193, 2557542386]

約数ペア:

[(1, 2557542386), (2, 1278771193), (7, 365363198), (14, 182681599), (19, 134607494), (38, 67303747), (133, 19229642), (149, 17164714), (173, 14783482), (266, 9614821), (298, 8582357), (346, 7391741), (373, 6856682), (746, 3428341), (1043, 2452102), (1211, 2111926), (2086, 1226051), (2422, 1055963), (2611, 979526), (2831, 903406), (3287, 778078), (5222, 489763), (5662, 451703), (6574, 389039), (7087, 360878), (14174, 180439), (19817, 129058), (23009, 111154), (25777, 99218), (39634, 64529), (46018, 55577), (49609, 51554)]