51491825

素因数分解:

$5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{1163}}^1$

素因数の和:1214

約数の個数: 48

約数和(自身を含む): 83137536

約数和(自身を除く): 31645711

約数列:

[1, 5, 7, 11, 23, 25, 35, 55, 77, 115, 161, 175, 253, 275, 385, 575, 805, 1163, 1265, 1771, 1925, 4025, 5815, 6325, 8141, 8855, 12793, 26749, 29075, 40705, 44275, 63965, 89551, 133745, 187243, 203525, 294239, 319825, 447755, 668725, 936215, 1471195, 2059673, 2238775, 4681075, 7355975, 10298365, 51491825]

約数ペア:

[(1, 51491825), (5, 10298365), (7, 7355975), (11, 4681075), (23, 2238775), (25, 2059673), (35, 1471195), (55, 936215), (77, 668725), (115, 447755), (161, 319825), (175, 294239), (253, 203525), (275, 187243), (385, 133745), (575, 89551), (805, 63965), (1163, 44275), (1265, 40705), (1771, 29075), (1925, 26749), (4025, 12793), (5815, 8855), (6325, 8141)]