31423964

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{401}}^1$

素因数の和:566

約数の個数: 48

約数和(自身を含む): 65239776

約数和(自身を除く): 33815812

約数列:

[1, 2, 4, 11, 13, 22, 26, 44, 52, 137, 143, 274, 286, 401, 548, 572, 802, 1507, 1604, 1781, 3014, 3562, 4411, 5213, 6028, 7124, 8822, 10426, 17644, 19591, 20852, 39182, 54937, 57343, 78364, 109874, 114686, 219748, 229372, 604307, 714181, 1208614, 1428362, 2417228, 2856724, 7855991, 15711982, 31423964]

約数ペア:

[(1, 31423964), (2, 15711982), (4, 7855991), (11, 2856724), (13, 2417228), (22, 1428362), (26, 1208614), (44, 714181), (52, 604307), (137, 229372), (143, 219748), (274, 114686), (286, 109874), (401, 78364), (548, 57343), (572, 54937), (802, 39182), (1507, 20852), (1604, 19591), (1781, 17644), (3014, 10426), (3562, 8822), (4411, 7124), (5213, 6028)]