25419254

素因数分解:

$2^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{137}}^1\times {\mathrm{457}}^1$

素因数の和:632

約数の個数: 32

約数和(自身を含む): 45506880

約数和(自身を除く): 20087626

約数列:

[1, 2, 7, 14, 29, 58, 137, 203, 274, 406, 457, 914, 959, 1918, 3199, 3973, 6398, 7946, 13253, 26506, 27811, 55622, 62609, 92771, 125218, 185542, 438263, 876526, 1815661, 3631322, 12709627, 25419254]

約数ペア:

[(1, 25419254), (2, 12709627), (7, 3631322), (14, 1815661), (29, 876526), (58, 438263), (137, 185542), (203, 125218), (274, 92771), (406, 62609), (457, 55622), (914, 27811), (959, 26506), (1918, 13253), (3199, 7946), (3973, 6398)]