64191965

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{131}}^1\times {\mathrm{4261}}^1$

素因数の和:4420

約数の個数: 16

約数和(自身を含む): 81012096

約数和(自身を除く): 16820131

約数列:

[1, 5, 23, 115, 131, 655, 3013, 4261, 15065, 21305, 98003, 490015, 558191, 2790955, 12838393, 64191965]

約数ペア:

[(1, 64191965), (5, 12838393), (23, 2790955), (115, 558191), (131, 490015), (655, 98003), (3013, 21305), (4261, 15065)]