620967196

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{263}}^1\times {\mathrm{661}}^1$

素因数の和:994

約数の個数: 48

約数和(自身を含む): 1174440960

約数和(自身を除く): 553473764

約数列:

[1, 2, 4, 19, 38, 47, 76, 94, 188, 263, 526, 661, 893, 1052, 1322, 1786, 2644, 3572, 4997, 9994, 12361, 12559, 19988, 24722, 25118, 31067, 49444, 50236, 62134, 124268, 173843, 234859, 347686, 469718, 590273, 695372, 939436, 1180546, 2361092, 3303017, 6606034, 8170621, 13212068, 16341242, 32682484, 155241799, 310483598, 620967196]

約数ペア:

[(1, 620967196), (2, 310483598), (4, 155241799), (19, 32682484), (38, 16341242), (47, 13212068), (76, 8170621), (94, 6606034), (188, 3303017), (263, 2361092), (526, 1180546), (661, 939436), (893, 695372), (1052, 590273), (1322, 469718), (1786, 347686), (2644, 234859), (3572, 173843), (4997, 124268), (9994, 62134), (12361, 50236), (12559, 49444), (19988, 31067), (24722, 25118)]