26379925

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{157}}^1$

素因数の和:238

約数の個数: 48

約数和(自身を含む): 39497472

約数和(自身を除く): 13117547

約数列:

[1, 5, 11, 13, 25, 47, 55, 65, 143, 157, 235, 275, 325, 517, 611, 715, 785, 1175, 1727, 2041, 2585, 3055, 3575, 3925, 6721, 7379, 8635, 10205, 12925, 15275, 22451, 33605, 36895, 43175, 51025, 81169, 95927, 112255, 168025, 184475, 405845, 479635, 561275, 1055197, 2029225, 2398175, 5275985, 26379925]

約数ペア:

[(1, 26379925), (5, 5275985), (11, 2398175), (13, 2029225), (25, 1055197), (47, 561275), (55, 479635), (65, 405845), (143, 184475), (157, 168025), (235, 112255), (275, 95927), (325, 81169), (517, 51025), (611, 43175), (715, 36895), (785, 33605), (1175, 22451), (1727, 15275), (2041, 12925), (2585, 10205), (3055, 8635), (3575, 7379), (3925, 6721)]