31216790

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{25799}}^1$

素因数の和:25828

約数の個数: 24

約数和(自身を含む): 61765200

約数和(自身を除く): 30548410

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 121, 242, 605, 1210, 25799, 51598, 128995, 257990, 283789, 567578, 1418945, 2837890, 3121679, 6243358, 15608395, 31216790]

約数ペア:

[(1, 31216790), (2, 15608395), (5, 6243358), (10, 3121679), (11, 2837890), (22, 1418945), (55, 567578), (110, 283789), (121, 257990), (242, 128995), (605, 51598), (1210, 25799)]