645744864

素因数分解:

$2^5\times 3^1\times {\mathrm{17}}^1\times {\mathrm{395677}}^1$

素因数の和:395707

約数の個数: 48

約数和(自身を含む): 1794795408

約数和(自身を除く): 1149050544

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 17, 24, 32, 34, 48, 51, 68, 96, 102, 136, 204, 272, 408, 544, 816, 1632, 395677, 791354, 1187031, 1582708, 2374062, 3165416, 4748124, 6330832, 6726509, 9496248, 12661664, 13453018, 18992496, 20179527, 26906036, 37984992, 40359054, 53812072, 80718108, 107624144, 161436216, 215248288, 322872432, 645744864]

約数ペア:

[(1, 645744864), (2, 322872432), (3, 215248288), (4, 161436216), (6, 107624144), (8, 80718108), (12, 53812072), (16, 40359054), (17, 37984992), (24, 26906036), (32, 20179527), (34, 18992496), (48, 13453018), (51, 12661664), (68, 9496248), (96, 6726509), (102, 6330832), (136, 4748124), (204, 3165416), (272, 2374062), (408, 1582708), (544, 1187031), (816, 791354), (1632, 395677)]