128499248

素因数分解:

$2^4\times {\mathrm{41}}^1\times {\mathrm{195883}}^1$

素因数の和:195932

約数の個数: 20

約数和(自身を含む): 255040968

約数和(自身を除く): 126541720

約数列:

[1, 2, 4, 8, 16, 41, 82, 164, 328, 656, 195883, 391766, 783532, 1567064, 3134128, 8031203, 16062406, 32124812, 64249624, 128499248]

約数ペア:

[(1, 128499248), (2, 64249624), (4, 32124812), (8, 16062406), (16, 8031203), (41, 3134128), (82, 1567064), (164, 783532), (328, 391766), (656, 195883)]