51746975

素因数分解:

$5^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{197}}^1$

素因数の和:312

約数の個数: 48

約数和(自身を含む): 78566400

約数和(自身を除く): 26819425

約数列:

[1, 5, 7, 19, 25, 35, 79, 95, 133, 175, 197, 395, 475, 553, 665, 985, 1379, 1501, 1975, 2765, 3325, 3743, 4925, 6895, 7505, 10507, 13825, 15563, 18715, 26201, 34475, 37525, 52535, 77815, 93575, 108941, 131005, 262675, 295697, 389075, 544705, 655025, 1478485, 2069879, 2723525, 7392425, 10349395, 51746975]

約数ペア:

[(1, 51746975), (5, 10349395), (7, 7392425), (19, 2723525), (25, 2069879), (35, 1478485), (79, 655025), (95, 544705), (133, 389075), (175, 295697), (197, 262675), (395, 131005), (475, 108941), (553, 93575), (665, 77815), (985, 52535), (1379, 37525), (1501, 34475), (1975, 26201), (2765, 18715), (3325, 15563), (3743, 13825), (4925, 10507), (6895, 7505)]