31222828

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{2767}}^1$

素因数の和:2822

約数の個数: 48

約数和(自身を含む): 69443584

約数和(自身を除く): 38220756

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 31, 52, 62, 91, 124, 182, 217, 364, 403, 434, 806, 868, 1612, 2767, 2821, 5534, 5642, 11068, 11284, 19369, 35971, 38738, 71942, 77476, 85777, 143884, 171554, 251797, 343108, 503594, 600439, 1007188, 1115101, 1200878, 2230202, 2401756, 4460404, 7805707, 15611414, 31222828]

約数ペア:

[(1, 31222828), (2, 15611414), (4, 7805707), (7, 4460404), (13, 2401756), (14, 2230202), (26, 1200878), (28, 1115101), (31, 1007188), (52, 600439), (62, 503594), (91, 343108), (124, 251797), (182, 171554), (217, 143884), (364, 85777), (403, 77476), (434, 71942), (806, 38738), (868, 35971), (1612, 19369), (2767, 11284), (2821, 11068), (5534, 5642)]