217466005897

素因数分解:

$7^4\times {\mathrm{2339}}^1\times {\mathrm{38723}}^1$

素因数の和:41090

約数の個数: 20

約数和(自身を含む): 253810262160

約数和(自身を除く): 36344256263

約数列:

[1, 7, 49, 343, 2339, 2401, 16373, 38723, 114611, 271061, 802277, 1897427, 5615939, 13281989, 90573097, 92973923, 634011679, 4438081753, 31066572271, 217466005897]

約数ペア:

[(1, 217466005897), (7, 31066572271), (49, 4438081753), (343, 634011679), (2339, 92973923), (2401, 90573097), (16373, 13281989), (38723, 5615939), (114611, 1897427), (271061, 802277)]