64988210

素因数分解:

$2^1\times 5^1\times 7^3\times {\mathrm{18947}}^1$

素因数の和:18975

約数の個数: 32

約数和(自身を含む): 136425600

約数和(自身を除く): 71437390

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 343, 490, 686, 1715, 3430, 18947, 37894, 94735, 132629, 189470, 265258, 663145, 928403, 1326290, 1856806, 4642015, 6498821, 9284030, 12997642, 32494105, 64988210]

約数ペア:

[(1, 64988210), (2, 32494105), (5, 12997642), (7, 9284030), (10, 6498821), (14, 4642015), (35, 1856806), (49, 1326290), (70, 928403), (98, 663145), (245, 265258), (343, 189470), (490, 132629), (686, 94735), (1715, 37894), (3430, 18947)]