1138961213

素因数分解:

${\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{197}}^1\times {\mathrm{263}}^1$

素因数の和:581

約数の個数: 32

約数和(自身を含む): 1317254400

約数和(自身を除く): 178293187

約数列:

[1, 13, 19, 89, 197, 247, 263, 1157, 1691, 2561, 3419, 3743, 4997, 17533, 21983, 23407, 48659, 51811, 64961, 227929, 304291, 333127, 444733, 673543, 984409, 4330651, 4611179, 5781529, 12797317, 59945327, 87612401, 1138961213]

約数ペア:

[(1, 1138961213), (13, 87612401), (19, 59945327), (89, 12797317), (197, 5781529), (247, 4611179), (263, 4330651), (1157, 984409), (1691, 673543), (2561, 444733), (3419, 333127), (3743, 304291), (4997, 227929), (17533, 64961), (21983, 51811), (23407, 48659)]