28936831

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{71}}^1\times {\mathrm{79}}^1$

素因数の和:235

約数の個数: 32

約数和(自身を含む): 37601280

約数和(自身を除く): 8664449

約数列:

[1, 7, 11, 67, 71, 77, 79, 469, 497, 553, 737, 781, 869, 4757, 5159, 5293, 5467, 5609, 6083, 33299, 37051, 39263, 52327, 58223, 61699, 366289, 375803, 407561, 431893, 2630621, 4133833, 28936831]

約数ペア:

[(1, 28936831), (7, 4133833), (11, 2630621), (67, 431893), (71, 407561), (77, 375803), (79, 366289), (469, 61699), (497, 58223), (553, 52327), (737, 39263), (781, 37051), (869, 33299), (4757, 6083), (5159, 5609), (5293, 5467)]