28454975

素因数分解:

$5^2\times {\mathrm{47}}^1\times {\mathrm{61}}^1\times {\mathrm{397}}^1$

素因数の和:515

約数の個数: 24

約数和(自身を含む): 36717888

約数和(自身を除く): 8262913

約数列:

[1, 5, 25, 47, 61, 235, 305, 397, 1175, 1525, 1985, 2867, 9925, 14335, 18659, 24217, 71675, 93295, 121085, 466475, 605425, 1138199, 5690995, 28454975]

約数ペア:

[(1, 28454975), (5, 5690995), (25, 1138199), (47, 605425), (61, 466475), (235, 121085), (305, 93295), (397, 71675), (1175, 24217), (1525, 18659), (1985, 14335), (2867, 9925)]