66881716

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{79}}^1\times {\mathrm{271}}^1$

素因数の和:436

約数の個数: 48

約数和(自身を含む): 131604480

約数和(自身を除く): 64722764

約数列:

[1, 2, 4, 11, 22, 44, 71, 79, 142, 158, 271, 284, 316, 542, 781, 869, 1084, 1562, 1738, 2981, 3124, 3476, 5609, 5962, 11218, 11924, 19241, 21409, 22436, 38482, 42818, 61699, 76964, 85636, 123398, 211651, 235499, 246796, 423302, 470998, 846604, 941996, 1520039, 3040078, 6080156, 16720429, 33440858, 66881716]

約数ペア:

[(1, 66881716), (2, 33440858), (4, 16720429), (11, 6080156), (22, 3040078), (44, 1520039), (71, 941996), (79, 846604), (142, 470998), (158, 423302), (271, 246796), (284, 235499), (316, 211651), (542, 123398), (781, 85636), (869, 76964), (1084, 61699), (1562, 42818), (1738, 38482), (2981, 22436), (3124, 21409), (3476, 19241), (5609, 11924), (5962, 11218)]