639462972

素因数分解:

$2^2\times 3^1\times {\mathrm{79}}^1\times {\mathrm{631}}^1\times {\mathrm{1069}}^1$

素因数の和:1786

約数の個数: 48

約数和(自身を含む): 1514777600

約数和(自身を除く): 875314628

約数列:

[1, 2, 3, 4, 6, 12, 79, 158, 237, 316, 474, 631, 948, 1069, 1262, 1893, 2138, 2524, 3207, 3786, 4276, 6414, 7572, 12828, 49849, 84451, 99698, 149547, 168902, 199396, 253353, 299094, 337804, 506706, 598188, 674539, 1013412, 1349078, 2023617, 2698156, 4047234, 8094468, 53288581, 106577162, 159865743, 213154324, 319731486, 639462972]

約数ペア:

[(1, 639462972), (2, 319731486), (3, 213154324), (4, 159865743), (6, 106577162), (12, 53288581), (79, 8094468), (158, 4047234), (237, 2698156), (316, 2023617), (474, 1349078), (631, 1013412), (948, 674539), (1069, 598188), (1262, 506706), (1893, 337804), (2138, 299094), (2524, 253353), (3207, 199396), (3786, 168902), (4276, 149547), (6414, 99698), (7572, 84451), (12828, 49849)]