51393575

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{257}}^1\times {\mathrm{421}}^1$

素因数の和:707

約数の個数: 24

約数和(自身を含む): 67503120

約数和(自身を除く): 16109545

約数列:

[1, 5, 19, 25, 95, 257, 421, 475, 1285, 2105, 4883, 6425, 7999, 10525, 24415, 39995, 108197, 122075, 199975, 540985, 2055743, 2704925, 10278715, 51393575]

約数ペア:

[(1, 51393575), (5, 10278715), (19, 2704925), (25, 2055743), (95, 540985), (257, 199975), (421, 122075), (475, 108197), (1285, 39995), (2105, 24415), (4883, 10525), (6425, 7999)]