28628425

素因数分解:

$5^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{9623}}^1$

素因数の和:9657

約数の個数: 24

約数和(自身を含む): 42961536

約数和(自身を除く): 14333111

約数列:

[1, 5, 7, 17, 25, 35, 85, 119, 175, 425, 595, 2975, 9623, 48115, 67361, 163591, 240575, 336805, 817955, 1145137, 1684025, 4089775, 5725685, 28628425]

約数ペア:

[(1, 28628425), (5, 5725685), (7, 4089775), (17, 1684025), (25, 1145137), (35, 817955), (85, 336805), (119, 240575), (175, 163591), (425, 67361), (595, 48115), (2975, 9623)]