219640638

素因数分解:

$2^1\times 3^1\times 7^2\times {\mathrm{419}}^1\times {\mathrm{1783}}^1$

素因数の和:2221

約数の個数: 48

約数和(自身を含む): 512507520

約数和(自身を除く): 292866882

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 49, 98, 147, 294, 419, 838, 1257, 1783, 2514, 2933, 3566, 5349, 5866, 8799, 10698, 12481, 17598, 20531, 24962, 37443, 41062, 61593, 74886, 87367, 123186, 174734, 262101, 524202, 747077, 1494154, 2241231, 4482462, 5229539, 10459078, 15688617, 31377234, 36606773, 73213546, 109820319, 219640638]

約数ペア:

[(1, 219640638), (2, 109820319), (3, 73213546), (6, 36606773), (7, 31377234), (14, 15688617), (21, 10459078), (42, 5229539), (49, 4482462), (98, 2241231), (147, 1494154), (294, 747077), (419, 524202), (838, 262101), (1257, 174734), (1783, 123186), (2514, 87367), (2933, 74886), (3566, 61593), (5349, 41062), (5866, 37443), (8799, 24962), (10698, 20531), (12481, 17598)]