217208090

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{85853}}^1$

素因数の和:85894

約数の個数: 32

約数和(自身を含む): 445067136

約数和(自身を除く): 227859046

約数列:

[1, 2, 5, 10, 11, 22, 23, 46, 55, 110, 115, 230, 253, 506, 1265, 2530, 85853, 171706, 429265, 858530, 944383, 1888766, 1974619, 3949238, 4721915, 9443830, 9873095, 19746190, 21720809, 43441618, 108604045, 217208090]

約数ペア:

[(1, 217208090), (2, 108604045), (5, 43441618), (10, 21720809), (11, 19746190), (22, 9873095), (23, 9443830), (46, 4721915), (55, 3949238), (110, 1974619), (115, 1888766), (230, 944383), (253, 858530), (506, 429265), (1265, 171706), (2530, 85853)]