12978870

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{89}}^1\times {\mathrm{4861}}^1$

素因数の和:4960

約数の個数: 32

約数和(自身を含む): 31505760

約数和(自身を除く): 18526890

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 89, 178, 267, 445, 534, 890, 1335, 2670, 4861, 9722, 14583, 24305, 29166, 48610, 72915, 145830, 432629, 865258, 1297887, 2163145, 2595774, 4326290, 6489435, 12978870]

約数ペア:

[(1, 12978870), (2, 6489435), (3, 4326290), (5, 2595774), (6, 2163145), (10, 1297887), (15, 865258), (30, 432629), (89, 145830), (178, 72915), (267, 48610), (445, 29166), (534, 24305), (890, 14583), (1335, 9722), (2670, 4861)]