71854055

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{1999}}^1$

素因数の和:2103

約数の個数: 32

約数和(自身を含む): 107520000

約数和(自身を除く): 35665945

約数列:

[1, 5, 7, 13, 35, 65, 79, 91, 395, 455, 553, 1027, 1999, 2765, 5135, 7189, 9995, 13993, 25987, 35945, 69965, 129935, 157921, 181909, 789605, 909545, 1105447, 2052973, 5527235, 10264865, 14370811, 71854055]

約数ペア:

[(1, 71854055), (5, 14370811), (7, 10264865), (13, 5527235), (35, 2052973), (65, 1105447), (79, 909545), (91, 789605), (395, 181909), (455, 157921), (553, 129935), (1027, 69965), (1999, 35945), (2765, 25987), (5135, 13993), (7189, 9995)]