71344525

素因数分解:

$5^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{499}}^1$

素因数の和:578

約数の個数: 48

約数和(自身を含む): 109120000

約数和(自身を除く): 37775475

約数列:

[1, 5, 7, 19, 25, 35, 43, 95, 133, 175, 215, 301, 475, 499, 665, 817, 1075, 1505, 2495, 3325, 3493, 4085, 5719, 7525, 9481, 12475, 17465, 20425, 21457, 28595, 47405, 66367, 87325, 107285, 142975, 150199, 237025, 331835, 407683, 536425, 750995, 1659175, 2038415, 2853781, 3754975, 10192075, 14268905, 71344525]

約数ペア:

[(1, 71344525), (5, 14268905), (7, 10192075), (19, 3754975), (25, 2853781), (35, 2038415), (43, 1659175), (95, 750995), (133, 536425), (175, 407683), (215, 331835), (301, 237025), (475, 150199), (499, 142975), (665, 107285), (817, 87325), (1075, 66367), (1505, 47405), (2495, 28595), (3325, 21457), (3493, 20425), (4085, 17465), (5719, 12475), (7525, 9481)]