197785836

素因数分解:

$2^2\times 3^2\times {\mathrm{71}}^1\times {\mathrm{223}}^1\times {\mathrm{347}}^1$

素因数の和:651

約数の個数: 72

約数和(自身を含む): 510741504

約数和(自身を除く): 312955668

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 71, 142, 213, 223, 284, 347, 426, 446, 639, 669, 694, 852, 892, 1041, 1278, 1338, 1388, 2007, 2082, 2556, 2676, 3123, 4014, 4164, 6246, 8028, 12492, 15833, 24637, 31666, 47499, 49274, 63332, 73911, 77381, 94998, 98548, 142497, 147822, 154762, 189996, 221733, 232143, 284994, 295644, 309524, 443466, 464286, 569988, 696429, 886932, 928572, 1392858, 2785716, 5494051, 10988102, 16482153, 21976204, 32964306, 49446459, 65928612, 98892918, 197785836]

約数ペア:

[(1, 197785836), (2, 98892918), (3, 65928612), (4, 49446459), (6, 32964306), (9, 21976204), (12, 16482153), (18, 10988102), (36, 5494051), (71, 2785716), (142, 1392858), (213, 928572), (223, 886932), (284, 696429), (347, 569988), (426, 464286), (446, 443466), (639, 309524), (669, 295644), (694, 284994), (852, 232143), (892, 221733), (1041, 189996), (1278, 154762), (1338, 147822), (1388, 142497), (2007, 98548), (2082, 94998), (2556, 77381), (2676, 73911), (3123, 63332), (4014, 49274), (4164, 47499), (6246, 31666), (8028, 24637), (12492, 15833)]