647707264

素因数分解:

$2^7\times {\mathrm{19}}^1\times {\mathrm{229}}^1\times {\mathrm{1163}}^1$

素因数の和:1425

約数の個数: 64

約数和(自身を含む): 1365372000

約数和(自身を除く): 717664736

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 64, 76, 128, 152, 229, 304, 458, 608, 916, 1163, 1216, 1832, 2326, 2432, 3664, 4351, 4652, 7328, 8702, 9304, 14656, 17404, 18608, 22097, 29312, 34808, 37216, 44194, 69616, 74432, 88388, 139232, 148864, 176776, 266327, 278464, 353552, 532654, 556928, 707104, 1065308, 1414208, 2130616, 2828416, 4261232, 5060213, 8522464, 10120426, 17044928, 20240852, 34089856, 40481704, 80963408, 161926816, 323853632, 647707264]

約数ペア:

[(1, 647707264), (2, 323853632), (4, 161926816), (8, 80963408), (16, 40481704), (19, 34089856), (32, 20240852), (38, 17044928), (64, 10120426), (76, 8522464), (128, 5060213), (152, 4261232), (229, 2828416), (304, 2130616), (458, 1414208), (608, 1065308), (916, 707104), (1163, 556928), (1216, 532654), (1832, 353552), (2326, 278464), (2432, 266327), (3664, 176776), (4351, 148864), (4652, 139232), (7328, 88388), (8702, 74432), (9304, 69616), (14656, 44194), (17404, 37216), (18608, 34808), (22097, 29312)]