31388728

素因数分解:

$2^3\times 7^1\times {\mathrm{37}}^1\times {\mathrm{15149}}^1$

素因数の和:15199

約数の個数: 32

約数和(自身を含む): 69084000

約数和(自身を除く): 37695272

約数列:

[1, 2, 4, 7, 8, 14, 28, 37, 56, 74, 148, 259, 296, 518, 1036, 2072, 15149, 30298, 60596, 106043, 121192, 212086, 424172, 560513, 848344, 1121026, 2242052, 3923591, 4484104, 7847182, 15694364, 31388728]

約数ペア:

[(1, 31388728), (2, 15694364), (4, 7847182), (7, 4484104), (8, 3923591), (14, 2242052), (28, 1121026), (37, 848344), (56, 560513), (74, 424172), (148, 212086), (259, 121192), (296, 106043), (518, 60596), (1036, 30298), (2072, 15149)]