156393769

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{127}}^1\times {\mathrm{197}}^1$

素因数の和:397

約数の個数: 32

約数和(自身を含む): 194641920

約数和(自身を除く): 38248151

約数列:

[1, 7, 19, 47, 127, 133, 197, 329, 889, 893, 1379, 2413, 3743, 5969, 6251, 9259, 16891, 25019, 26201, 41783, 64813, 113411, 175133, 175921, 475361, 793877, 1175893, 1231447, 3327527, 8231251, 22341967, 156393769]

約数ペア:

[(1, 156393769), (7, 22341967), (19, 8231251), (47, 3327527), (127, 1231447), (133, 1175893), (197, 793877), (329, 475361), (889, 175921), (893, 175133), (1379, 113411), (2413, 64813), (3743, 41783), (5969, 26201), (6251, 25019), (9259, 16891)]