28047875

素因数分解:

$5^3\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{197}}^1$

素因数の和:296

約数の個数: 32

約数和(自身を含む): 37806912

約数和(自身を除く): 9759037

約数列:

[1, 5, 17, 25, 67, 85, 125, 197, 335, 425, 985, 1139, 1675, 2125, 3349, 4925, 5695, 8375, 13199, 16745, 24625, 28475, 65995, 83725, 142375, 224383, 329975, 418625, 1121915, 1649875, 5609575, 28047875]

約数ペア:

[(1, 28047875), (5, 5609575), (17, 1649875), (25, 1121915), (67, 418625), (85, 329975), (125, 224383), (197, 142375), (335, 83725), (425, 65995), (985, 28475), (1139, 24625), (1675, 16745), (2125, 13199), (3349, 8375), (4925, 5695)]