221330278

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{179}}^1\times {\mathrm{2503}}^1$

素因数の和:2716

約数の個数: 32

約数和(自身を含む): 378604800

約数和(自身を除く): 157274522

約数列:

[1, 2, 13, 19, 26, 38, 179, 247, 358, 494, 2327, 2503, 3401, 4654, 5006, 6802, 32539, 44213, 47557, 65078, 88426, 95114, 448037, 618241, 896074, 1236482, 5824481, 8512703, 11648962, 17025406, 110665139, 221330278]

約数ペア:

[(1, 221330278), (2, 110665139), (13, 17025406), (19, 11648962), (26, 8512703), (38, 5824481), (179, 1236482), (247, 896074), (358, 618241), (494, 448037), (2327, 95114), (2503, 88426), (3401, 65078), (4654, 47557), (5006, 44213), (6802, 32539)]