213523412

素因数分解:

$2^2\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{79}}^1\times {\mathrm{307}}^1$

素因数の和:492

約数の個数: 48

約数和(自身を含む): 397393920

約数和(自身を除く): 183870508

約数列:

[1, 2, 4, 31, 62, 71, 79, 124, 142, 158, 284, 307, 316, 614, 1228, 2201, 2449, 4402, 4898, 5609, 8804, 9517, 9796, 11218, 19034, 21797, 22436, 24253, 38068, 43594, 48506, 87188, 97012, 173879, 347758, 675707, 695516, 751843, 1351414, 1503686, 1721963, 2702828, 3007372, 3443926, 6887852, 53380853, 106761706, 213523412]

約数ペア:

[(1, 213523412), (2, 106761706), (4, 53380853), (31, 6887852), (62, 3443926), (71, 3007372), (79, 2702828), (124, 1721963), (142, 1503686), (158, 1351414), (284, 751843), (307, 695516), (316, 675707), (614, 347758), (1228, 173879), (2201, 97012), (2449, 87188), (4402, 48506), (4898, 43594), (5609, 38068), (8804, 24253), (9517, 22436), (9796, 21797), (11218, 19034)]