72820588

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{103}}^1\times {\mathrm{281}}^1$

素因数の和:442

約数の個数: 48

約数和(自身を含む): 140422464

約数和(自身を除く): 67601876

約数列:

[1, 2, 4, 17, 34, 37, 68, 74, 103, 148, 206, 281, 412, 562, 629, 1124, 1258, 1751, 2516, 3502, 3811, 4777, 7004, 7622, 9554, 10397, 15244, 19108, 20794, 28943, 41588, 57886, 64787, 115772, 129574, 176749, 259148, 353498, 492031, 706996, 984062, 1070891, 1968124, 2141782, 4283564, 18205147, 36410294, 72820588]

約数ペア:

[(1, 72820588), (2, 36410294), (4, 18205147), (17, 4283564), (34, 2141782), (37, 1968124), (68, 1070891), (74, 984062), (103, 706996), (148, 492031), (206, 353498), (281, 259148), (412, 176749), (562, 129574), (629, 115772), (1124, 64787), (1258, 57886), (1751, 41588), (2516, 28943), (3502, 20794), (3811, 19108), (4777, 15244), (7004, 10397), (7622, 9554)]