78845325

素因数分解:

$3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{193}}^1\times {\mathrm{419}}^1$

素因数の和:638

約数の個数: 48

約数和(自身を含む): 141449280

約数和(自身を除く): 62603955

約数列:

[1, 3, 5, 13, 15, 25, 39, 65, 75, 193, 195, 325, 419, 579, 965, 975, 1257, 2095, 2509, 2895, 4825, 5447, 6285, 7527, 10475, 12545, 14475, 16341, 27235, 31425, 37635, 62725, 80867, 81705, 136175, 188175, 242601, 404335, 408525, 1051271, 1213005, 2021675, 3153813, 5256355, 6065025, 15769065, 26281775, 78845325]

約数ペア:

[(1, 78845325), (3, 26281775), (5, 15769065), (13, 6065025), (15, 5256355), (25, 3153813), (39, 2021675), (65, 1213005), (75, 1051271), (193, 408525), (195, 404335), (325, 242601), (419, 188175), (579, 136175), (965, 81705), (975, 80867), (1257, 62725), (2095, 37635), (2509, 31425), (2895, 27235), (4825, 16341), (5447, 14475), (6285, 12545), (7527, 10475)]