68800655

素因数分解:

$5^1\times 7^4\times {\mathrm{11}}^1\times {\mathrm{521}}^1$

素因数の和:565

約数の個数: 40

約数和(自身を含む): 105272784

約数和(自身を除く): 36472129

約数列:

[1, 5, 7, 11, 35, 49, 55, 77, 245, 343, 385, 521, 539, 1715, 2401, 2605, 2695, 3647, 3773, 5731, 12005, 18235, 18865, 25529, 26411, 28655, 40117, 127645, 132055, 178703, 200585, 280819, 893515, 1250921, 1404095, 1965733, 6254605, 9828665, 13760131, 68800655]

約数ペア:

[(1, 68800655), (5, 13760131), (7, 9828665), (11, 6254605), (35, 1965733), (49, 1404095), (55, 1250921), (77, 893515), (245, 280819), (343, 200585), (385, 178703), (521, 132055), (539, 127645), (1715, 40117), (2401, 28655), (2605, 26411), (2695, 25529), (3647, 18865), (3773, 18235), (5731, 12005)]