31390786

素因数分解:

$2^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{151}}^1\times {\mathrm{479}}^1$

素因数の和:670

約数の個数: 32

約数和(自身を含む): 56033280

約数和(自身を除く): 24642494

約数列:

[1, 2, 7, 14, 31, 62, 151, 217, 302, 434, 479, 958, 1057, 2114, 3353, 4681, 6706, 9362, 14849, 29698, 32767, 65534, 72329, 103943, 144658, 207886, 506303, 1012606, 2242199, 4484398, 15695393, 31390786]

約数ペア:

[(1, 31390786), (2, 15695393), (7, 4484398), (14, 2242199), (31, 1012606), (62, 506303), (151, 207886), (217, 144658), (302, 103943), (434, 72329), (479, 65534), (958, 32767), (1057, 29698), (2114, 14849), (3353, 9362), (4681, 6706)]