402278884

素因数分解:

$2^2\times 7^1\times {\mathrm{757}}^1\times {\mathrm{18979}}^1$

素因数の和:19747

約数の個数: 24

約数和(自身を含む): 805663040

約数和(自身を除く): 403384156

約数列:

[1, 2, 4, 7, 14, 28, 757, 1514, 3028, 5299, 10598, 18979, 21196, 37958, 75916, 132853, 265706, 531412, 14367103, 28734206, 57468412, 100569721, 201139442, 402278884]

約数ペア:

[(1, 402278884), (2, 201139442), (4, 100569721), (7, 57468412), (14, 28734206), (28, 14367103), (757, 531412), (1514, 265706), (3028, 132853), (5299, 75916), (10598, 37958), (18979, 21196)]