12821830

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{137}}^1\times {\mathrm{191}}^1$

素因数の和:349

約数の個数: 48

約数和(自身を含む): 27184896

約数和(自身を除く): 14363066

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 137, 191, 245, 274, 382, 490, 685, 955, 959, 1337, 1370, 1910, 1918, 2674, 4795, 6685, 6713, 9359, 9590, 13370, 13426, 18718, 26167, 33565, 46795, 52334, 67130, 93590, 130835, 183169, 261670, 366338, 915845, 1282183, 1831690, 2564366, 6410915, 12821830]

約数ペア:

[(1, 12821830), (2, 6410915), (5, 2564366), (7, 1831690), (10, 1282183), (14, 915845), (35, 366338), (49, 261670), (70, 183169), (98, 130835), (137, 93590), (191, 67130), (245, 52334), (274, 46795), (382, 33565), (490, 26167), (685, 18718), (955, 13426), (959, 13370), (1337, 9590), (1370, 9359), (1910, 6713), (1918, 6685), (2674, 4795)]