256510982

素因数分解:

$2^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{10597}}^1$

素因数の和:10645

約数の個数: 48

約数和(自身を含む): 507432240

約数和(自身を除く): 250921258

約数列:

[1, 2, 7, 13, 14, 19, 26, 38, 49, 91, 98, 133, 182, 247, 266, 494, 637, 931, 1274, 1729, 1862, 3458, 10597, 12103, 21194, 24206, 74179, 137761, 148358, 201343, 275522, 402686, 519253, 964327, 1038506, 1409401, 1928654, 2617459, 2818802, 5234918, 6750289, 9865807, 13500578, 18322213, 19731614, 36644426, 128255491, 256510982]

約数ペア:

[(1, 256510982), (2, 128255491), (7, 36644426), (13, 19731614), (14, 18322213), (19, 13500578), (26, 9865807), (38, 6750289), (49, 5234918), (91, 2818802), (98, 2617459), (133, 1928654), (182, 1409401), (247, 1038506), (266, 964327), (494, 519253), (637, 402686), (931, 275522), (1274, 201343), (1729, 148358), (1862, 137761), (3458, 74179), (10597, 24206), (12103, 21194)]