61513228

素因数分解:

$2^2\times 7^2\times {\mathrm{157}}^1\times {\mathrm{1999}}^1$

素因数の和:2174

約数の個数: 36

約数和(自身を含む): 126084000

約数和(自身を除く): 64570772

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 157, 196, 314, 628, 1099, 1999, 2198, 3998, 4396, 7693, 7996, 13993, 15386, 27986, 30772, 55972, 97951, 195902, 313843, 391804, 627686, 1255372, 2196901, 4393802, 8787604, 15378307, 30756614, 61513228]

約数ペア:

[(1, 61513228), (2, 30756614), (4, 15378307), (7, 8787604), (14, 4393802), (28, 2196901), (49, 1255372), (98, 627686), (157, 391804), (196, 313843), (314, 195902), (628, 97951), (1099, 55972), (1999, 30772), (2198, 27986), (3998, 15386), (4396, 13993), (7693, 7996)]