261417234

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{1481}}^1$

素因数の和:1603

約数の個数: 64

約数和(自身を含む): 589575168

約数和(自身を除く): 328157934

約数列:

[1, 2, 3, 6, 13, 26, 31, 39, 62, 73, 78, 93, 146, 186, 219, 403, 438, 806, 949, 1209, 1481, 1898, 2263, 2418, 2847, 2962, 4443, 4526, 5694, 6789, 8886, 13578, 19253, 29419, 38506, 45911, 57759, 58838, 88257, 91822, 108113, 115518, 137733, 176514, 216226, 275466, 324339, 596843, 648678, 1193686, 1405469, 1790529, 2810938, 3351503, 3581058, 4216407, 6703006, 8432814, 10054509, 20109018, 43569539, 87139078, 130708617, 261417234]

約数ペア:

[(1, 261417234), (2, 130708617), (3, 87139078), (6, 43569539), (13, 20109018), (26, 10054509), (31, 8432814), (39, 6703006), (62, 4216407), (73, 3581058), (78, 3351503), (93, 2810938), (146, 1790529), (186, 1405469), (219, 1193686), (403, 648678), (438, 596843), (806, 324339), (949, 275466), (1209, 216226), (1481, 176514), (1898, 137733), (2263, 115518), (2418, 108113), (2847, 91822), (2962, 88257), (4443, 58838), (4526, 57759), (5694, 45911), (6789, 38506), (8886, 29419), (13578, 19253)]