395199935

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{83}}^1\times {\mathrm{139}}^1$

素因数の和:288

約数の個数: 64

約数和(自身を含む): 568995840

約数和(自身を除く): 173795905

約数列:

[1, 5, 13, 17, 31, 65, 83, 85, 139, 155, 221, 403, 415, 527, 695, 1079, 1105, 1411, 1807, 2015, 2363, 2573, 2635, 4309, 5395, 6851, 7055, 9035, 11537, 11815, 12865, 18343, 21545, 30719, 33449, 34255, 43741, 56017, 57685, 73253, 91715, 149981, 153595, 167245, 196129, 218705, 280085, 357647, 366265, 568633, 749905, 952289, 980645, 1788235, 2549677, 2843165, 4649411, 4761445, 6079999, 12748385, 23247055, 30399995, 79039987, 395199935]

約数ペア:

[(1, 395199935), (5, 79039987), (13, 30399995), (17, 23247055), (31, 12748385), (65, 6079999), (83, 4761445), (85, 4649411), (139, 2843165), (155, 2549677), (221, 1788235), (403, 980645), (415, 952289), (527, 749905), (695, 568633), (1079, 366265), (1105, 357647), (1411, 280085), (1807, 218705), (2015, 196129), (2363, 167245), (2573, 153595), (2635, 149981), (4309, 91715), (5395, 73253), (6851, 57685), (7055, 56017), (9035, 43741), (11537, 34255), (11815, 33449), (12865, 30719), (18343, 21545)]