211301272

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{290249}}^1$

素因数の和:290275

約数の個数: 32

約数和(自身を含む): 487620000

約数和(自身を除く): 276318728

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 52, 56, 91, 104, 182, 364, 728, 290249, 580498, 1160996, 2031743, 2321992, 3773237, 4063486, 7546474, 8126972, 15092948, 16253944, 26412659, 30185896, 52825318, 105650636, 211301272]

約数ペア:

[(1, 211301272), (2, 105650636), (4, 52825318), (7, 30185896), (8, 26412659), (13, 16253944), (14, 15092948), (26, 8126972), (28, 7546474), (52, 4063486), (56, 3773237), (91, 2321992), (104, 2031743), (182, 1160996), (364, 580498), (728, 290249)]