28488564

素因数分解:

$2^2\times 3^3\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{197}}^1$

素因数の和:326

約数の個数: 96

約数和(自身を含む): 80720640

約数和(自身を除く): 52232076

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 27, 36, 39, 52, 54, 78, 103, 108, 117, 156, 197, 206, 234, 309, 351, 394, 412, 468, 591, 618, 702, 788, 927, 1182, 1236, 1339, 1404, 1773, 1854, 2364, 2561, 2678, 2781, 3546, 3708, 4017, 5122, 5319, 5356, 5562, 7092, 7683, 8034, 10244, 10638, 11124, 12051, 15366, 16068, 20291, 21276, 23049, 24102, 30732, 36153, 40582, 46098, 48204, 60873, 69147, 72306, 81164, 92196, 121746, 138294, 144612, 182619, 243492, 263783, 276588, 365238, 527566, 547857, 730476, 791349, 1055132, 1095714, 1582698, 2191428, 2374047, 3165396, 4748094, 7122141, 9496188, 14244282, 28488564]

約数ペア:

[(1, 28488564), (2, 14244282), (3, 9496188), (4, 7122141), (6, 4748094), (9, 3165396), (12, 2374047), (13, 2191428), (18, 1582698), (26, 1095714), (27, 1055132), (36, 791349), (39, 730476), (52, 547857), (54, 527566), (78, 365238), (103, 276588), (108, 263783), (117, 243492), (156, 182619), (197, 144612), (206, 138294), (234, 121746), (309, 92196), (351, 81164), (394, 72306), (412, 69147), (468, 60873), (591, 48204), (618, 46098), (702, 40582), (788, 36153), (927, 30732), (1182, 24102), (1236, 23049), (1339, 21276), (1404, 20291), (1773, 16068), (1854, 15366), (2364, 12051), (2561, 11124), (2678, 10638), (2781, 10244), (3546, 8034), (3708, 7683), (4017, 7092), (5122, 5562), (5319, 5356)]