74978988

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{197}}^2$

素因数の和:431

約数の個数: 72

約数和(自身を含む): 209701632

約数和(自身を除く): 134722644

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 23, 28, 42, 46, 69, 84, 92, 138, 161, 197, 276, 322, 394, 483, 591, 644, 788, 966, 1182, 1379, 1932, 2364, 2758, 4137, 4531, 5516, 8274, 9062, 13593, 16548, 18124, 27186, 31717, 38809, 54372, 63434, 77618, 95151, 116427, 126868, 155236, 190302, 232854, 271663, 380604, 465708, 543326, 814989, 892607, 1086652, 1629978, 1785214, 2677821, 3259956, 3570428, 5355642, 6248249, 10711284, 12496498, 18744747, 24992996, 37489494, 74978988]

約数ペア:

[(1, 74978988), (2, 37489494), (3, 24992996), (4, 18744747), (6, 12496498), (7, 10711284), (12, 6248249), (14, 5355642), (21, 3570428), (23, 3259956), (28, 2677821), (42, 1785214), (46, 1629978), (69, 1086652), (84, 892607), (92, 814989), (138, 543326), (161, 465708), (197, 380604), (276, 271663), (322, 232854), (394, 190302), (483, 155236), (591, 126868), (644, 116427), (788, 95151), (966, 77618), (1182, 63434), (1379, 54372), (1932, 38809), (2364, 31717), (2758, 27186), (4137, 18124), (4531, 16548), (5516, 13593), (8274, 9062)]