71331505

素因数分解:

$5^1\times 7^2\times {\mathrm{359}}^1\times {\mathrm{811}}^1$

素因数の和:1189

約数の個数: 24

約数和(自身を含む): 99973440

約数和(自身を除く): 28641935

約数列:

[1, 5, 7, 35, 49, 245, 359, 811, 1795, 2513, 4055, 5677, 12565, 17591, 28385, 39739, 87955, 198695, 291149, 1455745, 2038043, 10190215, 14266301, 71331505]

約数ペア:

[(1, 71331505), (5, 14266301), (7, 10190215), (35, 2038043), (49, 1455745), (245, 291149), (359, 198695), (811, 87955), (1795, 39739), (2513, 28385), (4055, 17591), (5677, 12565)]