156978731

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{47}}^1\times {\mathrm{127}}^1$

素因数の和:228

約数の個数: 48

約数和(自身を含む): 211255296

約数和(自身を除く): 54276565

約数列:

[1, 7, 13, 17, 47, 91, 119, 127, 221, 289, 329, 611, 799, 889, 1547, 1651, 2023, 2159, 3757, 4277, 5593, 5969, 10387, 11557, 13583, 15113, 26299, 28067, 36703, 41783, 72709, 77597, 95081, 101473, 176579, 196469, 256921, 477139, 543179, 710311, 1236053, 1319149, 1725041, 3339973, 9234043, 12075287, 22425533, 156978731]

約数ペア:

[(1, 156978731), (7, 22425533), (13, 12075287), (17, 9234043), (47, 3339973), (91, 1725041), (119, 1319149), (127, 1236053), (221, 710311), (289, 543179), (329, 477139), (611, 256921), (799, 196469), (889, 176579), (1547, 101473), (1651, 95081), (2023, 77597), (2159, 72709), (3757, 41783), (4277, 36703), (5593, 28067), (5969, 26299), (10387, 15113), (11557, 13583)]