15640504

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{1997}}^1$

素因数の和:2103

約数の個数: 32

約数和(自身を含む): 32367600

約数和(自身を除く): 16727096

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 89, 178, 356, 712, 979, 1958, 1997, 3916, 3994, 7832, 7988, 15976, 21967, 43934, 87868, 175736, 177733, 355466, 710932, 1421864, 1955063, 3910126, 7820252, 15640504]

約数ペア:

[(1, 15640504), (2, 7820252), (4, 3910126), (8, 1955063), (11, 1421864), (22, 710932), (44, 355466), (88, 177733), (89, 175736), (178, 87868), (356, 43934), (712, 21967), (979, 15976), (1958, 7988), (1997, 7832), (3916, 3994)]