71405204

素因数分解:

$2^2\times {\mathrm{13}}^2\times {\mathrm{53}}^1\times {\mathrm{1993}}^1$

素因数の和:2076

約数の個数: 36

約数和(自身を含む): 137932956

約数和(自身を除く): 66527752

約数列:

[1, 2, 4, 13, 26, 52, 53, 106, 169, 212, 338, 676, 689, 1378, 1993, 2756, 3986, 7972, 8957, 17914, 25909, 35828, 51818, 103636, 105629, 211258, 336817, 422516, 673634, 1347268, 1373177, 2746354, 5492708, 17851301, 35702602, 71405204]

約数ペア:

[(1, 71405204), (2, 35702602), (4, 17851301), (13, 5492708), (26, 2746354), (52, 1373177), (53, 1347268), (106, 673634), (169, 422516), (212, 336817), (338, 211258), (676, 105629), (689, 103636), (1378, 51818), (1993, 35828), (2756, 25909), (3986, 17914), (7972, 8957)]