291891656

素因数分解:

$2^3\times 7^1\times {\mathrm{113}}^1\times {\mathrm{193}}^1\times {\mathrm{239}}^1$

素因数の和:558

約数の個数: 64

約数和(自身を含む): 636940800

約数和(自身を除く): 345049144

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 113, 193, 226, 239, 386, 452, 478, 772, 791, 904, 956, 1351, 1544, 1582, 1673, 1912, 2702, 3164, 3346, 5404, 6328, 6692, 10808, 13384, 21809, 27007, 43618, 46127, 54014, 87236, 92254, 108028, 152663, 174472, 184508, 189049, 216056, 305326, 322889, 369016, 378098, 610652, 645778, 756196, 1221304, 1291556, 1512392, 2583112, 5212351, 10424702, 20849404, 36486457, 41698808, 72972914, 145945828, 291891656]

約数ペア:

[(1, 291891656), (2, 145945828), (4, 72972914), (7, 41698808), (8, 36486457), (14, 20849404), (28, 10424702), (56, 5212351), (113, 2583112), (193, 1512392), (226, 1291556), (239, 1221304), (386, 756196), (452, 645778), (478, 610652), (772, 378098), (791, 369016), (904, 322889), (956, 305326), (1351, 216056), (1544, 189049), (1582, 184508), (1673, 174472), (1912, 152663), (2702, 108028), (3164, 92254), (3346, 87236), (5404, 54014), (6328, 46127), (6692, 43618), (10808, 27007), (13384, 21809)]