990187198

素因数分解:

$2^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{70657}}^1$

素因数の和:70697

約数の個数: 48

約数和(自身を含む): 2029863024

約数和(自身を除く): 1039675826

約数列:

[1, 2, 7, 11, 13, 14, 22, 26, 49, 77, 91, 98, 143, 154, 182, 286, 539, 637, 1001, 1078, 1274, 2002, 7007, 14014, 70657, 141314, 494599, 777227, 918541, 989198, 1554454, 1837082, 3462193, 5440589, 6429787, 6924386, 10103951, 10881178, 12859574, 20207902, 38084123, 45008509, 70727657, 76168246, 90017018, 141455314, 495093599, 990187198]

約数ペア:

[(1, 990187198), (2, 495093599), (7, 141455314), (11, 90017018), (13, 76168246), (14, 70727657), (22, 45008509), (26, 38084123), (49, 20207902), (77, 12859574), (91, 10881178), (98, 10103951), (143, 6924386), (154, 6429787), (182, 5440589), (286, 3462193), (539, 1837082), (637, 1554454), (1001, 989198), (1078, 918541), (1274, 777227), (2002, 494599), (7007, 141314), (14014, 70657)]