12841990

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{383}}^1\times {\mathrm{479}}^1$

素因数の和:876

約数の個数: 32

約数和(自身を含む): 26542080

約数和(自身を除く): 13700090

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 383, 479, 766, 958, 1915, 2395, 2681, 3353, 3830, 4790, 5362, 6706, 13405, 16765, 26810, 33530, 183457, 366914, 917285, 1284199, 1834570, 2568398, 6420995, 12841990]

約数ペア:

[(1, 12841990), (2, 6420995), (5, 2568398), (7, 1834570), (10, 1284199), (14, 917285), (35, 366914), (70, 183457), (383, 33530), (479, 26810), (766, 16765), (958, 13405), (1915, 6706), (2395, 5362), (2681, 4790), (3353, 3830)]