71238279

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{157}}^1$

素因数の和:256

約数の個数: 64

約数和(自身を含む): 122314752

約数和(自身を除く): 51076473

約数列:

[1, 3, 7, 17, 21, 31, 41, 51, 93, 119, 123, 157, 217, 287, 357, 471, 527, 651, 697, 861, 1099, 1271, 1581, 2091, 2669, 3297, 3689, 3813, 4867, 4879, 6437, 8007, 8897, 11067, 14601, 14637, 18683, 19311, 21607, 26691, 34069, 45059, 56049, 64821, 82739, 102207, 109429, 135177, 151249, 199547, 248217, 328287, 453747, 579173, 598641, 766003, 1396829, 1737519, 2298009, 3392299, 4190487, 10176897, 23746093, 71238279]

約数ペア:

[(1, 71238279), (3, 23746093), (7, 10176897), (17, 4190487), (21, 3392299), (31, 2298009), (41, 1737519), (51, 1396829), (93, 766003), (119, 598641), (123, 579173), (157, 453747), (217, 328287), (287, 248217), (357, 199547), (471, 151249), (527, 135177), (651, 109429), (697, 102207), (861, 82739), (1099, 64821), (1271, 56049), (1581, 45059), (2091, 34069), (2669, 26691), (3297, 21607), (3689, 19311), (3813, 18683), (4867, 14637), (4879, 14601), (6437, 11067), (8007, 8897)]