203412950

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{312943}}^1$

素因数の和:312968

約数の個数: 24

約数和(自身を含む): 407453088

約数和(自身を除く): 204040138

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 130, 325, 650, 312943, 625886, 1564715, 3129430, 4068259, 7823575, 8136518, 15647150, 20341295, 40682590, 101706475, 203412950]

約数ペア:

[(1, 203412950), (2, 101706475), (5, 40682590), (10, 20341295), (13, 15647150), (25, 8136518), (26, 7823575), (50, 4068259), (65, 3129430), (130, 1564715), (325, 625886), (650, 312943)]