68474725

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{97}}^1\times {\mathrm{151}}^1$

素因数の和:286

約数の個数: 48

約数和(自身を含む): 99743616

約数和(自身を除く): 31268891

約数列:

[1, 5, 11, 17, 25, 55, 85, 97, 151, 187, 275, 425, 485, 755, 935, 1067, 1649, 1661, 2425, 2567, 3775, 4675, 5335, 8245, 8305, 12835, 14647, 18139, 26675, 28237, 41225, 41525, 64175, 73235, 90695, 141185, 161117, 248999, 366175, 453475, 705925, 805585, 1244995, 2738989, 4027925, 6224975, 13694945, 68474725]

約数ペア:

[(1, 68474725), (5, 13694945), (11, 6224975), (17, 4027925), (25, 2738989), (55, 1244995), (85, 805585), (97, 705925), (151, 453475), (187, 366175), (275, 248999), (425, 161117), (485, 141185), (755, 90695), (935, 73235), (1067, 64175), (1649, 41525), (1661, 41225), (2425, 28237), (2567, 26675), (3775, 18139), (4675, 14647), (5335, 12835), (8245, 8305)]