255861752

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{163}}^1\times {\mathrm{449}}^1$

素因数の和:660

約数の個数: 64

約数和(自身を含む): 531360000

約数和(自身を除く): 275498248

約数列:

[1, 2, 4, 8, 19, 23, 38, 46, 76, 92, 152, 163, 184, 326, 437, 449, 652, 874, 898, 1304, 1748, 1796, 3097, 3496, 3592, 3749, 6194, 7498, 8531, 10327, 12388, 14996, 17062, 20654, 24776, 29992, 34124, 41308, 68248, 71231, 73187, 82616, 142462, 146374, 196213, 284924, 292748, 392426, 569848, 585496, 784852, 1390553, 1569704, 1683301, 2781106, 3366602, 5562212, 6733204, 11124424, 13466408, 31982719, 63965438, 127930876, 255861752]

約数ペア:

[(1, 255861752), (2, 127930876), (4, 63965438), (8, 31982719), (19, 13466408), (23, 11124424), (38, 6733204), (46, 5562212), (76, 3366602), (92, 2781106), (152, 1683301), (163, 1569704), (184, 1390553), (326, 784852), (437, 585496), (449, 569848), (652, 392426), (874, 292748), (898, 284924), (1304, 196213), (1748, 146374), (1796, 142462), (3097, 82616), (3496, 73187), (3592, 71231), (3749, 68248), (6194, 41308), (7498, 34124), (8531, 29992), (10327, 24776), (12388, 20654), (14996, 17062)]