28145065

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{59}}^1\times {\mathrm{179}}^1$

素因数の和:297

約数の個数: 32

約数和(自身を含む): 38102400

約数和(自身を除く): 9957335

約数列:

[1, 5, 13, 41, 59, 65, 179, 205, 295, 533, 767, 895, 2327, 2419, 2665, 3835, 7339, 10561, 11635, 12095, 31447, 36695, 52805, 95407, 137293, 157235, 433001, 477035, 686465, 2165005, 5629013, 28145065]

約数ペア:

[(1, 28145065), (5, 5629013), (13, 2165005), (41, 686465), (59, 477035), (65, 433001), (179, 157235), (205, 137293), (295, 95407), (533, 52805), (767, 36695), (895, 31447), (2327, 12095), (2419, 11635), (2665, 10561), (3835, 7339)]