1788900948

素因数分解:

$2^2\times 3^2\times {\mathrm{71}}^1\times {\mathrm{199}}^1\times {\mathrm{3517}}^1$

素因数の和:3797

約数の個数: 72

約数和(自身を含む): 4609987200

約数和(自身を除く): 2821086252

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 71, 142, 199, 213, 284, 398, 426, 597, 639, 796, 852, 1194, 1278, 1791, 2388, 2556, 3517, 3582, 7034, 7164, 10551, 14068, 14129, 21102, 28258, 31653, 42204, 42387, 56516, 63306, 84774, 126612, 127161, 169548, 249707, 254322, 499414, 508644, 699883, 749121, 998828, 1399766, 1498242, 2099649, 2247363, 2799532, 2996484, 4199298, 4494726, 6298947, 8398596, 8989452, 12597894, 25195788, 49691693, 99383386, 149075079, 198766772, 298150158, 447225237, 596300316, 894450474, 1788900948]

約数ペア:

[(1, 1788900948), (2, 894450474), (3, 596300316), (4, 447225237), (6, 298150158), (9, 198766772), (12, 149075079), (18, 99383386), (36, 49691693), (71, 25195788), (142, 12597894), (199, 8989452), (213, 8398596), (284, 6298947), (398, 4494726), (426, 4199298), (597, 2996484), (639, 2799532), (796, 2247363), (852, 2099649), (1194, 1498242), (1278, 1399766), (1791, 998828), (2388, 749121), (2556, 699883), (3517, 508644), (3582, 499414), (7034, 254322), (7164, 249707), (10551, 169548), (14068, 127161), (14129, 126612), (21102, 84774), (28258, 63306), (31653, 56516), (42204, 42387)]