131937085

素因数分解:

$5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{311}}^1$

素因数の和:394

約数の個数: 64

約数和(自身を含む): 207028224

約数和(自身を除く): 75091139

約数列:

[1, 5, 7, 17, 23, 31, 35, 85, 115, 119, 155, 161, 217, 311, 391, 527, 595, 713, 805, 1085, 1555, 1955, 2177, 2635, 2737, 3565, 3689, 4991, 5287, 7153, 9641, 10885, 12121, 13685, 18445, 24955, 26435, 35765, 37009, 48205, 50071, 60605, 67487, 84847, 121601, 163897, 185045, 221743, 250355, 337435, 424235, 608005, 819485, 851207, 1108715, 1147279, 1552201, 3769631, 4256035, 5736395, 7761005, 18848155, 26387417, 131937085]

約数ペア:

[(1, 131937085), (5, 26387417), (7, 18848155), (17, 7761005), (23, 5736395), (31, 4256035), (35, 3769631), (85, 1552201), (115, 1147279), (119, 1108715), (155, 851207), (161, 819485), (217, 608005), (311, 424235), (391, 337435), (527, 250355), (595, 221743), (713, 185045), (805, 163897), (1085, 121601), (1555, 84847), (1955, 67487), (2177, 60605), (2635, 50071), (2737, 48205), (3565, 37009), (3689, 35765), (4991, 26435), (5287, 24955), (7153, 18445), (9641, 13685), (10885, 12121)]