31715294

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{19}}^2\times {\mathrm{31}}^1\times {\mathrm{109}}^1$

素因数の和:193

約数の個数: 48

約数和(自身を含む): 56327040

約数和(自身を除く): 24611746

約数列:

[1, 2, 13, 19, 26, 31, 38, 62, 109, 218, 247, 361, 403, 494, 589, 722, 806, 1178, 1417, 2071, 2834, 3379, 4142, 4693, 6758, 7657, 9386, 11191, 15314, 22382, 26923, 39349, 43927, 53846, 64201, 78698, 87854, 128402, 145483, 290966, 511537, 834613, 1023074, 1219819, 1669226, 2439638, 15857647, 31715294]

約数ペア:

[(1, 31715294), (2, 15857647), (13, 2439638), (19, 1669226), (26, 1219819), (31, 1023074), (38, 834613), (62, 511537), (109, 290966), (218, 145483), (247, 128402), (361, 87854), (403, 78698), (494, 64201), (589, 53846), (722, 43927), (806, 39349), (1178, 26923), (1417, 22382), (2071, 15314), (2834, 11191), (3379, 9386), (4142, 7657), (4693, 6758)]