840507836

素因数分解:

$2^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{26171}}^1$

素因数の和:26250

約数の個数: 48

約数和(自身を含む): 1782208512

約数和(自身を除く): 941700676

約数列:

[1, 2, 4, 7, 14, 28, 31, 37, 62, 74, 124, 148, 217, 259, 434, 518, 868, 1036, 1147, 2294, 4588, 8029, 16058, 26171, 32116, 52342, 104684, 183197, 366394, 732788, 811301, 968327, 1622602, 1936654, 3245204, 3873308, 5679107, 6778289, 11358214, 13556578, 22716428, 27113156, 30018137, 60036274, 120072548, 210126959, 420253918, 840507836]

約数ペア:

[(1, 840507836), (2, 420253918), (4, 210126959), (7, 120072548), (14, 60036274), (28, 30018137), (31, 27113156), (37, 22716428), (62, 13556578), (74, 11358214), (124, 6778289), (148, 5679107), (217, 3873308), (259, 3245204), (434, 1936654), (518, 1622602), (868, 968327), (1036, 811301), (1147, 732788), (2294, 366394), (4588, 183197), (8029, 104684), (16058, 52342), (26171, 32116)]