199976368

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{557}}^1\times {\mathrm{1181}}^1$

素因数の和:1765

約数の個数: 40

約数和(自身を含む): 408924720

約数和(自身を除く): 208948352

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 557, 1114, 1181, 2228, 2362, 4456, 4724, 8912, 9448, 10583, 18896, 21166, 22439, 42332, 44878, 84664, 89756, 169328, 179512, 359024, 657817, 1315634, 2631268, 5262536, 10525072, 12498523, 24997046, 49994092, 99988184, 199976368]

約数ペア:

[(1, 199976368), (2, 99988184), (4, 49994092), (8, 24997046), (16, 12498523), (19, 10525072), (38, 5262536), (76, 2631268), (152, 1315634), (304, 657817), (557, 359024), (1114, 179512), (1181, 169328), (2228, 89756), (2362, 84664), (4456, 44878), (4724, 42332), (8912, 22439), (9448, 21166), (10583, 18896)]