71220611

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{61}}^1\times {\mathrm{257}}^1$

素因数の和:395

約数の個数: 32

約数和(自身を含む): 92136960

約数和(自身を除く): 20916349

約数列:

[1, 7, 11, 59, 61, 77, 257, 413, 427, 649, 671, 1799, 2827, 3599, 4543, 4697, 15163, 15677, 19789, 25193, 39589, 106141, 109739, 166793, 172447, 277123, 924943, 1167551, 1207129, 6474601, 10174373, 71220611]

約数ペア:

[(1, 71220611), (7, 10174373), (11, 6474601), (59, 1207129), (61, 1167551), (77, 924943), (257, 277123), (413, 172447), (427, 166793), (649, 109739), (671, 106141), (1799, 39589), (2827, 25193), (3599, 19789), (4543, 15677), (4697, 15163)]