72470405

素因数分解:

$5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{3929}}^1$

素因数の和:3989

約数の個数: 32

約数和(自身を含む): 108656640

約数和(自身を除く): 36186235

約数列:

[1, 5, 7, 17, 31, 35, 85, 119, 155, 217, 527, 595, 1085, 2635, 3689, 3929, 18445, 19645, 27503, 66793, 121799, 137515, 333965, 467551, 608995, 852593, 2070583, 2337755, 4262965, 10352915, 14494081, 72470405]

約数ペア:

[(1, 72470405), (5, 14494081), (7, 10352915), (17, 4262965), (31, 2337755), (35, 2070583), (85, 852593), (119, 608995), (155, 467551), (217, 333965), (527, 137515), (595, 121799), (1085, 66793), (2635, 27503), (3689, 19645), (3929, 18445)]