28718375

素因数分解:

$5^3\times 7^1\times {\mathrm{23}}^1\times {\mathrm{1427}}^1$

素因数の和:1472

約数の個数: 32

約数和(自身を含む): 42771456

約数和(自身を除く): 14053081

約数列:

[1, 5, 7, 23, 25, 35, 115, 125, 161, 175, 575, 805, 875, 1427, 2875, 4025, 7135, 9989, 20125, 32821, 35675, 49945, 164105, 178375, 229747, 249725, 820525, 1148735, 1248625, 4102625, 5743675, 28718375]

約数ペア:

[(1, 28718375), (5, 5743675), (7, 4102625), (23, 1248625), (25, 1148735), (35, 820525), (115, 249725), (125, 229747), (161, 178375), (175, 164105), (575, 49945), (805, 35675), (875, 32821), (1427, 20125), (2875, 9989), (4025, 7135)]