219961786

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{47}}^1\times {\mathrm{83}}^1\times {\mathrm{233}}^1$

素因数の和:387

約数の個数: 48

約数和(自身を含む): 376451712

約数和(自身を除く): 156489926

約数列:

[1, 2, 11, 22, 47, 83, 94, 121, 166, 233, 242, 466, 517, 913, 1034, 1826, 2563, 3901, 5126, 5687, 7802, 10043, 10951, 11374, 19339, 20086, 21902, 28193, 38678, 42911, 56386, 85822, 120461, 212729, 240922, 425458, 472021, 908933, 944042, 1325071, 1817866, 2340019, 2650142, 4680038, 9998263, 19996526, 109980893, 219961786]

約数ペア:

[(1, 219961786), (2, 109980893), (11, 19996526), (22, 9998263), (47, 4680038), (83, 2650142), (94, 2340019), (121, 1817866), (166, 1325071), (233, 944042), (242, 908933), (466, 472021), (517, 425458), (913, 240922), (1034, 212729), (1826, 120461), (2563, 85822), (3901, 56386), (5126, 42911), (5687, 38678), (7802, 28193), (10043, 21902), (10951, 20086), (11374, 19339)]