64964263

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{103}}^1\times {\mathrm{239}}^1$

素因数の和:391

約数の個数: 32

約数和(自身を含む): 83865600

約数和(自身を除く): 18901337

約数列:

[1, 7, 13, 29, 91, 103, 203, 239, 377, 721, 1339, 1673, 2639, 2987, 3107, 6931, 9373, 20909, 21749, 24617, 38831, 48517, 90103, 172319, 271817, 320021, 630721, 713893, 2240147, 4997251, 9280609, 64964263]

約数ペア:

[(1, 64964263), (7, 9280609), (13, 4997251), (29, 2240147), (91, 713893), (103, 630721), (203, 320021), (239, 271817), (377, 172319), (721, 90103), (1339, 48517), (1673, 38831), (2639, 24617), (2987, 21749), (3107, 20909), (6931, 9373)]