13267660

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{97}}^1\times {\mathrm{977}}^1$

素因数の和:1090

約数の個数: 48

約数和(自身を含む): 32203584

約数和(自身を除く): 18935924

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 97, 140, 194, 388, 485, 679, 970, 977, 1358, 1940, 1954, 2716, 3395, 3908, 4885, 6790, 6839, 9770, 13580, 13678, 19540, 27356, 34195, 68390, 94769, 136780, 189538, 379076, 473845, 663383, 947690, 1326766, 1895380, 2653532, 3316915, 6633830, 13267660]

約数ペア:

[(1, 13267660), (2, 6633830), (4, 3316915), (5, 2653532), (7, 1895380), (10, 1326766), (14, 947690), (20, 663383), (28, 473845), (35, 379076), (70, 189538), (97, 136780), (140, 94769), (194, 68390), (388, 34195), (485, 27356), (679, 19540), (970, 13678), (977, 13580), (1358, 9770), (1940, 6839), (1954, 6790), (2716, 4885), (3395, 3908)]