67156715

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{73}}^1\times {\mathrm{79}}^1\times {\mathrm{137}}^1$

素因数の和:311

約数の個数: 32

約数和(自身を含む): 88231680

約数和(自身を除く): 21074965

約数列:

[1, 5, 17, 73, 79, 85, 137, 365, 395, 685, 1241, 1343, 2329, 5767, 6205, 6715, 10001, 10823, 11645, 28835, 50005, 54115, 98039, 170017, 183991, 490195, 790079, 850085, 919955, 3950395, 13431343, 67156715]

約数ペア:

[(1, 67156715), (5, 13431343), (17, 3950395), (73, 919955), (79, 850085), (85, 790079), (137, 490195), (365, 183991), (395, 170017), (685, 98039), (1241, 54115), (1343, 50005), (2329, 28835), (5767, 11645), (6205, 10823), (6715, 10001)]