398035216

素因数分解:

$2^4\times {\mathrm{41}}^1\times {\mathrm{311}}^1\times {\mathrm{1951}}^1$

素因数の和:2311

約数の個数: 40

約数和(自身を含む): 792949248

約数和(自身を除く): 394914032

約数列:

[1, 2, 4, 8, 16, 41, 82, 164, 311, 328, 622, 656, 1244, 1951, 2488, 3902, 4976, 7804, 12751, 15608, 25502, 31216, 51004, 79991, 102008, 159982, 204016, 319964, 606761, 639928, 1213522, 1279856, 2427044, 4854088, 9708176, 24877201, 49754402, 99508804, 199017608, 398035216]

約数ペア:

[(1, 398035216), (2, 199017608), (4, 99508804), (8, 49754402), (16, 24877201), (41, 9708176), (82, 4854088), (164, 2427044), (311, 1279856), (328, 1213522), (622, 639928), (656, 606761), (1244, 319964), (1951, 204016), (2488, 159982), (3902, 102008), (4976, 79991), (7804, 51004), (12751, 31216), (15608, 25502)]