28021105

素因数分解:

$5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{1453}}^1$

素因数の和:1513

約数の個数: 32

約数和(自身を含む): 41875200

約数和(自身を除く): 13854095

約数列:

[1, 5, 7, 19, 29, 35, 95, 133, 145, 203, 551, 665, 1015, 1453, 2755, 3857, 7265, 10171, 19285, 27607, 42137, 50855, 138035, 193249, 210685, 294959, 800603, 966245, 1474795, 4003015, 5604221, 28021105]

約数ペア:

[(1, 28021105), (5, 5604221), (7, 4003015), (19, 1474795), (29, 966245), (35, 800603), (95, 294959), (133, 210685), (145, 193249), (203, 138035), (551, 50855), (665, 42137), (1015, 27607), (1453, 19285), (2755, 10171), (3857, 7265)]