138434976

素因数分解:

$2^5\times 3^2\times {\mathrm{23}}^1\times {\mathrm{20899}}^1$

素因数の和:20938

約数の個数: 72

約数和(自身を含む): 410810400

約数和(自身を除く): 272375424

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 23, 24, 32, 36, 46, 48, 69, 72, 92, 96, 138, 144, 184, 207, 276, 288, 368, 414, 552, 736, 828, 1104, 1656, 2208, 3312, 6624, 20899, 41798, 62697, 83596, 125394, 167192, 188091, 250788, 334384, 376182, 480677, 501576, 668768, 752364, 961354, 1003152, 1442031, 1504728, 1922708, 2006304, 2884062, 3009456, 3845416, 4326093, 5768124, 6018912, 7690832, 8652186, 11536248, 15381664, 17304372, 23072496, 34608744, 46144992, 69217488, 138434976]

約数ペア:

[(1, 138434976), (2, 69217488), (3, 46144992), (4, 34608744), (6, 23072496), (8, 17304372), (9, 15381664), (12, 11536248), (16, 8652186), (18, 7690832), (23, 6018912), (24, 5768124), (32, 4326093), (36, 3845416), (46, 3009456), (48, 2884062), (69, 2006304), (72, 1922708), (92, 1504728), (96, 1442031), (138, 1003152), (144, 961354), (184, 752364), (207, 668768), (276, 501576), (288, 480677), (368, 376182), (414, 334384), (552, 250788), (736, 188091), (828, 167192), (1104, 125394), (1656, 83596), (2208, 62697), (3312, 41798), (6624, 20899)]