61910128

素因数分解:

$2^4\times 7^3\times {\mathrm{29}}^1\times {\mathrm{389}}^1$

素因数の和:447

約数の個数: 80

約数和(自身を含む): 145080000

約数和(自身を除く): 83169872

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 29, 49, 56, 58, 98, 112, 116, 196, 203, 232, 343, 389, 392, 406, 464, 686, 778, 784, 812, 1372, 1421, 1556, 1624, 2723, 2744, 2842, 3112, 3248, 5446, 5488, 5684, 6224, 9947, 10892, 11281, 11368, 19061, 19894, 21784, 22562, 22736, 38122, 39788, 43568, 45124, 76244, 78967, 79576, 90248, 133427, 152488, 157934, 159152, 180496, 266854, 304976, 315868, 533708, 552769, 631736, 1067416, 1105538, 1263472, 2134832, 2211076, 3869383, 4422152, 7738766, 8844304, 15477532, 30955064, 61910128]

約数ペア:

[(1, 61910128), (2, 30955064), (4, 15477532), (7, 8844304), (8, 7738766), (14, 4422152), (16, 3869383), (28, 2211076), (29, 2134832), (49, 1263472), (56, 1105538), (58, 1067416), (98, 631736), (112, 552769), (116, 533708), (196, 315868), (203, 304976), (232, 266854), (343, 180496), (389, 159152), (392, 157934), (406, 152488), (464, 133427), (686, 90248), (778, 79576), (784, 78967), (812, 76244), (1372, 45124), (1421, 43568), (1556, 39788), (1624, 38122), (2723, 22736), (2744, 22562), (2842, 21784), (3112, 19894), (3248, 19061), (5446, 11368), (5488, 11281), (5684, 10892), (6224, 9947)]