281825575

素因数分解:

$5^2\times {\mathrm{17}}^2\times {\mathrm{19}}^1\times {\mathrm{2053}}^1$

素因数の和:2116

約数の個数: 36

約数和(自身を含む): 390958360

約数和(自身を除く): 109132785

約数列:

[1, 5, 17, 19, 25, 85, 95, 289, 323, 425, 475, 1445, 1615, 2053, 5491, 7225, 8075, 10265, 27455, 34901, 39007, 51325, 137275, 174505, 195035, 593317, 663119, 872525, 975175, 2966585, 3315595, 11273023, 14832925, 16577975, 56365115, 281825575]

約数ペア:

[(1, 281825575), (5, 56365115), (17, 16577975), (19, 14832925), (25, 11273023), (85, 3315595), (95, 2966585), (289, 975175), (323, 872525), (425, 663119), (475, 593317), (1445, 195035), (1615, 174505), (2053, 137275), (5491, 51325), (7225, 39007), (8075, 34901), (10265, 27455)]