28131642

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{20297}}^1$

素因数の和:20323

約数の個数: 48

約数和(自身を含む): 75995712

約数和(自身を除く): 47864070

約数列:

[1, 2, 3, 6, 7, 9, 11, 14, 18, 21, 22, 33, 42, 63, 66, 77, 99, 126, 154, 198, 231, 462, 693, 1386, 20297, 40594, 60891, 121782, 142079, 182673, 223267, 284158, 365346, 426237, 446534, 669801, 852474, 1278711, 1339602, 1562869, 2009403, 2557422, 3125738, 4018806, 4688607, 9377214, 14065821, 28131642]

約数ペア:

[(1, 28131642), (2, 14065821), (3, 9377214), (6, 4688607), (7, 4018806), (9, 3125738), (11, 2557422), (14, 2009403), (18, 1562869), (21, 1339602), (22, 1278711), (33, 852474), (42, 669801), (63, 446534), (66, 426237), (77, 365346), (99, 284158), (126, 223267), (154, 182673), (198, 142079), (231, 121782), (462, 60891), (693, 40594), (1386, 20297)]