2178727988

素因数分解:

$2^2\times {\mathrm{31}}^1\times {\mathrm{137}}^1\times {\mathrm{277}}^1\times {\mathrm{463}}^1$

素因数の和:912

約数の個数: 48

約数和(自身を含む): 3987400704

約数和(自身を除く): 1808672716

約数列:

[1, 2, 4, 31, 62, 124, 137, 274, 277, 463, 548, 554, 926, 1108, 1852, 4247, 8494, 8587, 14353, 16988, 17174, 28706, 34348, 37949, 57412, 63431, 75898, 126862, 128251, 151796, 253724, 256502, 513004, 1176419, 1966361, 2352838, 3932722, 3975781, 4705676, 7865444, 7951562, 15903124, 17570387, 35140774, 70281548, 544681997, 1089363994, 2178727988]

約数ペア:

[(1, 2178727988), (2, 1089363994), (4, 544681997), (31, 70281548), (62, 35140774), (124, 17570387), (137, 15903124), (274, 7951562), (277, 7865444), (463, 4705676), (548, 3975781), (554, 3932722), (926, 2352838), (1108, 1966361), (1852, 1176419), (4247, 513004), (8494, 256502), (8587, 253724), (14353, 151796), (16988, 128251), (17174, 126862), (28706, 75898), (34348, 63431), (37949, 57412)]