641426976

素因数分解:

$2^5\times 3^2\times {\mathrm{809}}^1\times {\mathrm{2753}}^1$

素因数の和:3578

約数の個数: 72

約数和(自身を含む): 1826976060

約数和(自身を除く): 1185549084

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 72, 96, 144, 288, 809, 1618, 2427, 2753, 3236, 4854, 5506, 6472, 7281, 8259, 9708, 11012, 12944, 14562, 16518, 19416, 22024, 24777, 25888, 29124, 33036, 38832, 44048, 49554, 58248, 66072, 77664, 88096, 99108, 116496, 132144, 198216, 232992, 264288, 396432, 792864, 2227177, 4454354, 6681531, 8908708, 13363062, 17817416, 20044593, 26726124, 35634832, 40089186, 53452248, 71269664, 80178372, 106904496, 160356744, 213808992, 320713488, 641426976]

約数ペア:

[(1, 641426976), (2, 320713488), (3, 213808992), (4, 160356744), (6, 106904496), (8, 80178372), (9, 71269664), (12, 53452248), (16, 40089186), (18, 35634832), (24, 26726124), (32, 20044593), (36, 17817416), (48, 13363062), (72, 8908708), (96, 6681531), (144, 4454354), (288, 2227177), (809, 792864), (1618, 396432), (2427, 264288), (2753, 232992), (3236, 198216), (4854, 132144), (5506, 116496), (6472, 99108), (7281, 88096), (8259, 77664), (9708, 66072), (11012, 58248), (12944, 49554), (14562, 44048), (16518, 38832), (19416, 33036), (22024, 29124), (24777, 25888)]