9991212

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{983}}^1$

素因数の和:1019

約数の個数: 72

約数和(自身を含む): 29315328

約数和(自身を除く): 19324116

約数列:

[1, 2, 3, 4, 6, 7, 11, 12, 14, 21, 22, 28, 33, 42, 44, 66, 77, 84, 121, 132, 154, 231, 242, 308, 363, 462, 484, 726, 847, 924, 983, 1452, 1694, 1966, 2541, 2949, 3388, 3932, 5082, 5898, 6881, 10164, 10813, 11796, 13762, 20643, 21626, 27524, 32439, 41286, 43252, 64878, 75691, 82572, 118943, 129756, 151382, 227073, 237886, 302764, 356829, 454146, 475772, 713658, 832601, 908292, 1427316, 1665202, 2497803, 3330404, 4995606, 9991212]

約数ペア:

[(1, 9991212), (2, 4995606), (3, 3330404), (4, 2497803), (6, 1665202), (7, 1427316), (11, 908292), (12, 832601), (14, 713658), (21, 475772), (22, 454146), (28, 356829), (33, 302764), (42, 237886), (44, 227073), (66, 151382), (77, 129756), (84, 118943), (121, 82572), (132, 75691), (154, 64878), (231, 43252), (242, 41286), (308, 32439), (363, 27524), (462, 21626), (484, 20643), (726, 13762), (847, 11796), (924, 10813), (983, 10164), (1452, 6881), (1694, 5898), (1966, 5082), (2541, 3932), (2949, 3388)]