28752875

素因数分解:

$5^3\times {\mathrm{23}}^1\times {\mathrm{73}}^1\times {\mathrm{137}}^1$

素因数の和:248

約数の個数: 32

約数和(自身を含む): 38233728

約数和(自身を除く): 9480853

約数列:

[1, 5, 23, 25, 73, 115, 125, 137, 365, 575, 685, 1679, 1825, 2875, 3151, 3425, 8395, 9125, 10001, 15755, 17125, 41975, 50005, 78775, 209875, 230023, 250025, 393875, 1150115, 1250125, 5750575, 28752875]

約数ペア:

[(1, 28752875), (5, 5750575), (23, 1250125), (25, 1150115), (73, 393875), (115, 250025), (125, 230023), (137, 209875), (365, 78775), (575, 50005), (685, 41975), (1679, 17125), (1825, 15755), (2875, 10001), (3151, 9125), (3425, 8395)]