28949725

素因数分解:

$5^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{263}}^1$

素因数の和:334

約数の個数: 48

約数和(自身を含む): 44782848

約数和(自身を除く): 15833123

約数列:

[1, 5, 7, 17, 25, 35, 37, 85, 119, 175, 185, 259, 263, 425, 595, 629, 925, 1295, 1315, 1841, 2975, 3145, 4403, 4471, 6475, 6575, 9205, 9731, 15725, 22015, 22355, 31297, 46025, 48655, 68117, 110075, 111775, 156485, 165427, 243275, 340585, 782425, 827135, 1157989, 1702925, 4135675, 5789945, 28949725]

約数ペア:

[(1, 28949725), (5, 5789945), (7, 4135675), (17, 1702925), (25, 1157989), (35, 827135), (37, 782425), (85, 340585), (119, 243275), (175, 165427), (185, 156485), (259, 111775), (263, 110075), (425, 68117), (595, 48655), (629, 46025), (925, 31297), (1295, 22355), (1315, 22015), (1841, 15725), (2975, 9731), (3145, 9205), (4403, 6575), (4471, 6475)]