39993876

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{881}}^1$

素因数の和:1001

約数の個数: 72

約数和(自身を含む): 110119464

約数和(自身を除く): 70125588

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 78, 97, 117, 156, 194, 234, 291, 388, 468, 582, 873, 881, 1164, 1261, 1746, 1762, 2522, 2643, 3492, 3524, 3783, 5044, 5286, 7566, 7929, 10572, 11349, 11453, 15132, 15858, 22698, 22906, 31716, 34359, 45396, 45812, 68718, 85457, 103077, 137436, 170914, 206154, 256371, 341828, 412308, 512742, 769113, 1025484, 1110941, 1538226, 2221882, 3076452, 3332823, 4443764, 6665646, 9998469, 13331292, 19996938, 39993876]

約数ペア:

[(1, 39993876), (2, 19996938), (3, 13331292), (4, 9998469), (6, 6665646), (9, 4443764), (12, 3332823), (13, 3076452), (18, 2221882), (26, 1538226), (36, 1110941), (39, 1025484), (52, 769113), (78, 512742), (97, 412308), (117, 341828), (156, 256371), (194, 206154), (234, 170914), (291, 137436), (388, 103077), (468, 85457), (582, 68718), (873, 45812), (881, 45396), (1164, 34359), (1261, 31716), (1746, 22906), (1762, 22698), (2522, 15858), (2643, 15132), (3492, 11453), (3524, 11349), (3783, 10572), (5044, 7929), (5286, 7566)]