17918129225

素因数分解:

$5^2\times {\mathrm{29}}^1\times {\mathrm{73}}^1\times {\mathrm{83}}^1\times {\mathrm{4079}}^1$

素因数の和:4274

約数の個数: 48

約数和(自身を含む): 23585990400

約数和(自身を除く): 5667861175

約数列:

[1, 5, 25, 29, 73, 83, 145, 365, 415, 725, 1825, 2075, 2117, 2407, 4079, 6059, 10585, 12035, 20395, 30295, 52925, 60175, 101975, 118291, 151475, 175711, 297767, 338557, 591455, 878555, 1488835, 1692785, 2957275, 4392775, 7444175, 8463925, 8635243, 9818153, 24714661, 43176215, 49090765, 123573305, 215881075, 245453825, 617866525, 716725169, 3583625845, 17918129225]

約数ペア:

[(1, 17918129225), (5, 3583625845), (25, 716725169), (29, 617866525), (73, 245453825), (83, 215881075), (145, 123573305), (365, 49090765), (415, 43176215), (725, 24714661), (1825, 9818153), (2075, 8635243), (2117, 8463925), (2407, 7444175), (4079, 4392775), (6059, 2957275), (10585, 1692785), (12035, 1488835), (20395, 878555), (30295, 591455), (52925, 338557), (60175, 297767), (101975, 175711), (118291, 151475)]