71291636

素因数分解:

$2^2\times {\mathrm{13}}^2\times {\mathrm{163}}^1\times {\mathrm{647}}^1$

素因数の和:840

約数の個数: 36

約数和(自身を含む): 136134432

約数和(自身を除く): 64842796

約数列:

[1, 2, 4, 13, 26, 52, 163, 169, 326, 338, 647, 652, 676, 1294, 2119, 2588, 4238, 8411, 8476, 16822, 27547, 33644, 55094, 105461, 109343, 110188, 210922, 218686, 421844, 437372, 1370993, 2741986, 5483972, 17822909, 35645818, 71291636]

約数ペア:

[(1, 71291636), (2, 35645818), (4, 17822909), (13, 5483972), (26, 2741986), (52, 1370993), (163, 437372), (169, 421844), (326, 218686), (338, 210922), (647, 110188), (652, 109343), (676, 105461), (1294, 55094), (2119, 33644), (2588, 27547), (4238, 16822), (8411, 8476)]