1878169986

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{11}}^2\times {\mathrm{123191}}^1$

素因数の和:123228

約数の個数: 72

約数和(自身を含む): 5111975232

約数和(自身を除く): 3233805246

約数列:

[1, 2, 3, 6, 7, 9, 11, 14, 18, 21, 22, 33, 42, 63, 66, 77, 99, 121, 126, 154, 198, 231, 242, 363, 462, 693, 726, 847, 1089, 1386, 1694, 2178, 2541, 5082, 7623, 15246, 123191, 246382, 369573, 739146, 862337, 1108719, 1355101, 1724674, 2217438, 2587011, 2710202, 4065303, 5174022, 7761033, 8130606, 9485707, 12195909, 14906111, 15522066, 18971414, 24391818, 28457121, 29812222, 44718333, 56914242, 85371363, 89436666, 104342777, 134154999, 170742726, 208685554, 268309998, 313028331, 626056662, 939084993, 1878169986]

約数ペア:

[(1, 1878169986), (2, 939084993), (3, 626056662), (6, 313028331), (7, 268309998), (9, 208685554), (11, 170742726), (14, 134154999), (18, 104342777), (21, 89436666), (22, 85371363), (33, 56914242), (42, 44718333), (63, 29812222), (66, 28457121), (77, 24391818), (99, 18971414), (121, 15522066), (126, 14906111), (154, 12195909), (198, 9485707), (231, 8130606), (242, 7761033), (363, 5174022), (462, 4065303), (693, 2710202), (726, 2587011), (847, 2217438), (1089, 1724674), (1386, 1355101), (1694, 1108719), (2178, 862337), (2541, 739146), (5082, 369573), (7623, 246382), (15246, 123191)]