64728350

素因数分解:

$2^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{271}}^1\times {\mathrm{281}}^1$

素因数の和:581

約数の個数: 48

約数和(自身を含む): 128402496

約数和(自身を除く): 63674146

約数列:

[1, 2, 5, 10, 17, 25, 34, 50, 85, 170, 271, 281, 425, 542, 562, 850, 1355, 1405, 2710, 2810, 4607, 4777, 6775, 7025, 9214, 9554, 13550, 14050, 23035, 23885, 46070, 47770, 76151, 115175, 119425, 152302, 230350, 238850, 380755, 761510, 1294567, 1903775, 2589134, 3807550, 6472835, 12945670, 32364175, 64728350]

約数ペア:

[(1, 64728350), (2, 32364175), (5, 12945670), (10, 6472835), (17, 3807550), (25, 2589134), (34, 1903775), (50, 1294567), (85, 761510), (170, 380755), (271, 238850), (281, 230350), (425, 152302), (542, 119425), (562, 115175), (850, 76151), (1355, 47770), (1405, 46070), (2710, 23885), (2810, 23035), (4607, 14050), (4777, 13550), (6775, 9554), (7025, 9214)]