261120648

素因数分解:

$2^3\times 3^1\times {\mathrm{19}}^1\times {\mathrm{572633}}^1$

素因数の和:572661

約数の個数: 32

約数和(自身を含む): 687160800

約数和(自身を除く): 426040152

約数列:

[1, 2, 3, 4, 6, 8, 12, 19, 24, 38, 57, 76, 114, 152, 228, 456, 572633, 1145266, 1717899, 2290532, 3435798, 4581064, 6871596, 10880027, 13743192, 21760054, 32640081, 43520108, 65280162, 87040216, 130560324, 261120648]

約数ペア:

[(1, 261120648), (2, 130560324), (3, 87040216), (4, 65280162), (6, 43520108), (8, 32640081), (12, 21760054), (19, 13743192), (24, 10880027), (38, 6871596), (57, 4581064), (76, 3435798), (114, 2290532), (152, 1717899), (228, 1145266), (456, 572633)]