1287335728

素因数分解:

$2^4\times 7^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{8287}}^1$

素因数の和:8394

約数の個数: 80

約数和(自身を含む): 3042027520

約数和(自身を除く): 1754691792

約数列:

[1, 2, 4, 7, 8, 14, 16, 19, 28, 38, 56, 73, 76, 112, 133, 146, 152, 266, 292, 304, 511, 532, 584, 1022, 1064, 1168, 1387, 2044, 2128, 2774, 4088, 5548, 8176, 8287, 9709, 11096, 16574, 19418, 22192, 33148, 38836, 58009, 66296, 77672, 116018, 132592, 155344, 157453, 232036, 314906, 464072, 604951, 629812, 928144, 1102171, 1209902, 1259624, 2204342, 2419804, 2519248, 4234657, 4408684, 4839608, 8469314, 8817368, 9679216, 11494069, 16938628, 17634736, 22988138, 33877256, 45976276, 67754512, 80458483, 91952552, 160916966, 183905104, 321833932, 643667864, 1287335728]

約数ペア:

[(1, 1287335728), (2, 643667864), (4, 321833932), (7, 183905104), (8, 160916966), (14, 91952552), (16, 80458483), (19, 67754512), (28, 45976276), (38, 33877256), (56, 22988138), (73, 17634736), (76, 16938628), (112, 11494069), (133, 9679216), (146, 8817368), (152, 8469314), (266, 4839608), (292, 4408684), (304, 4234657), (511, 2519248), (532, 2419804), (584, 2204342), (1022, 1259624), (1064, 1209902), (1168, 1102171), (1387, 928144), (2044, 629812), (2128, 604951), (2774, 464072), (4088, 314906), (5548, 232036), (8176, 157453), (8287, 155344), (9709, 132592), (11096, 116018), (16574, 77672), (19418, 66296), (22192, 58009), (33148, 38836)]