209419216

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{14657}}^1$

素因数の和:14731

約数の個数: 40

約数和(自身を含む): 436222080

約数和(自身を除く): 226802864

約数列:

[1, 2, 4, 8, 16, 19, 38, 47, 76, 94, 152, 188, 304, 376, 752, 893, 1786, 3572, 7144, 14288, 14657, 29314, 58628, 117256, 234512, 278483, 556966, 688879, 1113932, 1377758, 2227864, 2755516, 4455728, 5511032, 11022064, 13088701, 26177402, 52354804, 104709608, 209419216]

約数ペア:

[(1, 209419216), (2, 104709608), (4, 52354804), (8, 26177402), (16, 13088701), (19, 11022064), (38, 5511032), (47, 4455728), (76, 2755516), (94, 2227864), (152, 1377758), (188, 1113932), (304, 688879), (376, 556966), (752, 278483), (893, 234512), (1786, 117256), (3572, 58628), (7144, 29314), (14288, 14657)]