56578975

素因数分解:

$5^2\times {\mathrm{17}}^2\times {\mathrm{41}}^1\times {\mathrm{191}}^1$

素因数の和:276

約数の個数: 36

約数和(自身を含む): 76745088

約数和(自身を除く): 20166113

約数列:

[1, 5, 17, 25, 41, 85, 191, 205, 289, 425, 697, 955, 1025, 1445, 3247, 3485, 4775, 7225, 7831, 11849, 16235, 17425, 39155, 55199, 59245, 81175, 133127, 195775, 275995, 296225, 665635, 1379975, 2263159, 3328175, 11315795, 56578975]

約数ペア:

[(1, 56578975), (5, 11315795), (17, 3328175), (25, 2263159), (41, 1379975), (85, 665635), (191, 296225), (205, 275995), (289, 195775), (425, 133127), (697, 81175), (955, 59245), (1025, 55199), (1445, 39155), (3247, 17425), (3485, 16235), (4775, 11849), (7225, 7831)]