1388831728

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{5105999}}^1$

素因数の和:5106024

約数の個数: 20

約数和(自身を含む): 2849148000

約数和(自身を除く): 1460316272

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 5105999, 10211998, 20423996, 40847992, 81695984, 86801983, 173603966, 347207932, 694415864, 1388831728]

約数ペア:

[(1, 1388831728), (2, 694415864), (4, 347207932), (8, 173603966), (16, 86801983), (17, 81695984), (34, 40847992), (68, 20423996), (136, 10211998), (272, 5105999)]