549901825

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{227}}^1\times {\mathrm{383}}^1$

素因数の和:654

約数の個数: 48

約数和(自身を含む): 781664256

約数和(自身を除く): 231762431

約数列:

[1, 5, 11, 23, 25, 55, 115, 227, 253, 275, 383, 575, 1135, 1265, 1915, 2497, 4213, 5221, 5675, 6325, 8809, 9575, 12485, 21065, 26105, 44045, 57431, 62425, 86941, 96899, 105325, 130525, 220225, 287155, 434705, 484495, 956351, 1435775, 1999643, 2173525, 2422475, 4781755, 9998215, 21996073, 23908775, 49991075, 109980365, 549901825]

約数ペア:

[(1, 549901825), (5, 109980365), (11, 49991075), (23, 23908775), (25, 21996073), (55, 9998215), (115, 4781755), (227, 2422475), (253, 2173525), (275, 1999643), (383, 1435775), (575, 956351), (1135, 484495), (1265, 434705), (1915, 287155), (2497, 220225), (4213, 130525), (5221, 105325), (5675, 96899), (6325, 86941), (8809, 62425), (9575, 57431), (12485, 44045), (21065, 26105)]