42639944

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{157}}^1\times {\mathrm{1997}}^1$

素因数の和:2177

約数の個数: 32

約数和(自身を含む): 85234680

約数和(自身を除く): 42594736

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 157, 314, 628, 1256, 1997, 2669, 3994, 5338, 7988, 10676, 15976, 21352, 33949, 67898, 135796, 271592, 313529, 627058, 1254116, 2508232, 5329993, 10659986, 21319972, 42639944]

約数ペア:

[(1, 42639944), (2, 21319972), (4, 10659986), (8, 5329993), (17, 2508232), (34, 1254116), (68, 627058), (136, 313529), (157, 271592), (314, 135796), (628, 67898), (1256, 33949), (1997, 21352), (2669, 15976), (3994, 10676), (5338, 7988)]