80783164

素因数分解:

$2^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{421}}^1$

素因数の和:539

約数の個数: 72

約数和(自身を含む): 181848240

約数和(自身を除く): 101065076

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 49, 77, 89, 98, 154, 178, 196, 308, 356, 421, 539, 623, 842, 979, 1078, 1246, 1684, 1958, 2156, 2492, 2947, 3916, 4361, 4631, 5894, 6853, 8722, 9262, 11788, 13706, 17444, 18524, 20629, 27412, 32417, 37469, 41258, 47971, 64834, 74938, 82516, 95942, 129668, 149876, 191884, 226919, 262283, 412159, 453838, 524566, 824318, 907676, 1049132, 1648636, 1835981, 2885113, 3671962, 5770226, 7343924, 11540452, 20195791, 40391582, 80783164]

約数ペア:

[(1, 80783164), (2, 40391582), (4, 20195791), (7, 11540452), (11, 7343924), (14, 5770226), (22, 3671962), (28, 2885113), (44, 1835981), (49, 1648636), (77, 1049132), (89, 907676), (98, 824318), (154, 524566), (178, 453838), (196, 412159), (308, 262283), (356, 226919), (421, 191884), (539, 149876), (623, 129668), (842, 95942), (979, 82516), (1078, 74938), (1246, 64834), (1684, 47971), (1958, 41258), (2156, 37469), (2492, 32417), (2947, 27412), (3916, 20629), (4361, 18524), (4631, 17444), (5894, 13706), (6853, 11788), (8722, 9262)]