155705144

素因数分解:

$2^3\times 7^2\times {\mathrm{89}}^1\times {\mathrm{4463}}^1$

素因数の和:4572

約数の個数: 48

約数和(自身を含む): 343504800

約数和(自身を除く): 187799656

約数列:

[1, 2, 4, 7, 8, 14, 28, 49, 56, 89, 98, 178, 196, 356, 392, 623, 712, 1246, 2492, 4361, 4463, 4984, 8722, 8926, 17444, 17852, 31241, 34888, 35704, 62482, 124964, 218687, 249928, 397207, 437374, 794414, 874748, 1588828, 1749496, 2780449, 3177656, 5560898, 11121796, 19463143, 22243592, 38926286, 77852572, 155705144]

約数ペア:

[(1, 155705144), (2, 77852572), (4, 38926286), (7, 22243592), (8, 19463143), (14, 11121796), (28, 5560898), (49, 3177656), (56, 2780449), (89, 1749496), (98, 1588828), (178, 874748), (196, 794414), (356, 437374), (392, 397207), (623, 249928), (712, 218687), (1246, 124964), (2492, 62482), (4361, 35704), (4463, 34888), (4984, 31241), (8722, 17852), (8926, 17444)]