168745825

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{283}}^1$

素因数の和:394

約数の個数: 48

約数和(自身を含む): 235806336

約数和(自身を除く): 67060511

約数列:

[1, 5, 17, 23, 25, 61, 85, 115, 283, 305, 391, 425, 575, 1037, 1403, 1415, 1525, 1955, 4811, 5185, 6509, 7015, 7075, 9775, 17263, 23851, 24055, 25925, 32545, 35075, 86315, 110653, 119255, 120275, 162725, 293471, 397049, 431575, 553265, 596275, 1467355, 1985245, 2766325, 6749833, 7336775, 9926225, 33749165, 168745825]

約数ペア:

[(1, 168745825), (5, 33749165), (17, 9926225), (23, 7336775), (25, 6749833), (61, 2766325), (85, 1985245), (115, 1467355), (283, 596275), (305, 553265), (391, 431575), (425, 397049), (575, 293471), (1037, 162725), (1403, 120275), (1415, 119255), (1525, 110653), (1955, 86315), (4811, 35075), (5185, 32545), (6509, 25925), (7015, 24055), (7075, 23851), (9775, 17263)]