31881278

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{5867}}^1$

素因数の和:5912

約数の個数: 32

約数和(自身を含む): 59149440

約数和(自身を除く): 27268162

約数列:

[1, 2, 11, 13, 19, 22, 26, 38, 143, 209, 247, 286, 418, 494, 2717, 5434, 5867, 11734, 64537, 76271, 111473, 129074, 152542, 222946, 838981, 1226203, 1449149, 1677962, 2452406, 2898298, 15940639, 31881278]

約数ペア:

[(1, 31881278), (2, 15940639), (11, 2898298), (13, 2452406), (19, 1677962), (22, 1449149), (26, 1226203), (38, 838981), (143, 222946), (209, 152542), (247, 129074), (286, 111473), (418, 76271), (494, 64537), (2717, 11734), (5434, 5867)]