251230301

素因数分解:

$7^2\times {\mathrm{17}}^2\times {\mathrm{113}}^1\times {\mathrm{157}}^1$

素因数の和:318

約数の個数: 36

約数和(自身を含む): 315191988

約数和(自身を除く): 63961687

約数列:

[1, 7, 17, 49, 113, 119, 157, 289, 791, 833, 1099, 1921, 2023, 2669, 5537, 7693, 13447, 14161, 17741, 18683, 32657, 45373, 94129, 124187, 130781, 228599, 301597, 317611, 869309, 1600193, 2111179, 2223277, 5127149, 14778253, 35890043, 251230301]

約数ペア:

[(1, 251230301), (7, 35890043), (17, 14778253), (49, 5127149), (113, 2223277), (119, 2111179), (157, 1600193), (289, 869309), (791, 317611), (833, 301597), (1099, 228599), (1921, 130781), (2023, 124187), (2669, 94129), (5537, 45373), (7693, 32657), (13447, 18683), (14161, 17741)]