206876005

素因数分解:

$5^1\times 7^1\times {\mathrm{109}}^1\times {\mathrm{211}}^1\times {\mathrm{257}}^1$

素因数の和:589

約数の個数: 32

約数和(自身を含む): 288794880

約数和(自身を除く): 81918875

約数列:

[1, 5, 7, 35, 109, 211, 257, 545, 763, 1055, 1285, 1477, 1799, 3815, 7385, 8995, 22999, 28013, 54227, 114995, 140065, 160993, 196091, 271135, 379589, 804965, 980455, 1897945, 5910743, 29553715, 41375201, 206876005]

約数ペア:

[(1, 206876005), (5, 41375201), (7, 29553715), (35, 5910743), (109, 1897945), (211, 980455), (257, 804965), (545, 379589), (763, 271135), (1055, 196091), (1285, 160993), (1477, 140065), (1799, 114995), (3815, 54227), (7385, 28013), (8995, 22999)]