81224676

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{197}}^1\times {\mathrm{881}}^1$

素因数の和:1101

約数の個数: 72

約数和(自身を含む): 222486264

約数和(自身を除く): 141261588

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 78, 117, 156, 197, 234, 394, 468, 591, 788, 881, 1182, 1762, 1773, 2364, 2561, 2643, 3524, 3546, 5122, 5286, 7092, 7683, 7929, 10244, 10572, 11453, 15366, 15858, 22906, 23049, 30732, 31716, 34359, 45812, 46098, 68718, 92196, 103077, 137436, 173557, 206154, 347114, 412308, 520671, 694228, 1041342, 1562013, 2082684, 2256241, 3124026, 4512482, 6248052, 6768723, 9024964, 13537446, 20306169, 27074892, 40612338, 81224676]

約数ペア:

[(1, 81224676), (2, 40612338), (3, 27074892), (4, 20306169), (6, 13537446), (9, 9024964), (12, 6768723), (13, 6248052), (18, 4512482), (26, 3124026), (36, 2256241), (39, 2082684), (52, 1562013), (78, 1041342), (117, 694228), (156, 520671), (197, 412308), (234, 347114), (394, 206154), (468, 173557), (591, 137436), (788, 103077), (881, 92196), (1182, 68718), (1762, 46098), (1773, 45812), (2364, 34359), (2561, 31716), (2643, 30732), (3524, 23049), (3546, 22906), (5122, 15858), (5286, 15366), (7092, 11453), (7683, 10572), (7929, 10244)]