89117875

素因数分解:

$5^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{197}}^1$

素因数の和:277

約数の個数: 64

約数和(自身を含む): 142331904

約数和(自身を除く): 53214029

約数列:

[1, 5, 7, 11, 25, 35, 47, 55, 77, 125, 175, 197, 235, 275, 329, 385, 517, 875, 985, 1175, 1375, 1379, 1645, 1925, 2167, 2585, 3619, 4925, 5875, 6895, 8225, 9259, 9625, 10835, 12925, 15169, 18095, 24625, 34475, 41125, 46295, 54175, 64625, 64813, 75845, 90475, 101849, 172375, 231475, 270875, 324065, 379225, 452375, 509245, 712943, 1157375, 1620325, 1896125, 2546225, 3564715, 8101625, 12731125, 17823575, 89117875]

約数ペア:

[(1, 89117875), (5, 17823575), (7, 12731125), (11, 8101625), (25, 3564715), (35, 2546225), (47, 1896125), (55, 1620325), (77, 1157375), (125, 712943), (175, 509245), (197, 452375), (235, 379225), (275, 324065), (329, 270875), (385, 231475), (517, 172375), (875, 101849), (985, 90475), (1175, 75845), (1375, 64813), (1379, 64625), (1645, 54175), (1925, 46295), (2167, 41125), (2585, 34475), (3619, 24625), (4925, 18095), (5875, 15169), (6895, 12925), (8225, 10835), (9259, 9625)]