1330448728

素因数分解:

$2^3\times 7^1\times {\mathrm{199}}^1\times {\mathrm{277}}^1\times {\mathrm{431}}^1$

素因数の和:920

約数の個数: 64

約数和(自身を含む): 2882304000

約数和(自身を除く): 1551855272

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 199, 277, 398, 431, 554, 796, 862, 1108, 1393, 1592, 1724, 1939, 2216, 2786, 3017, 3448, 3878, 5572, 6034, 7756, 11144, 12068, 15512, 24136, 55123, 85769, 110246, 119387, 171538, 220492, 238774, 343076, 385861, 440984, 477548, 600383, 686152, 771722, 835709, 955096, 1200766, 1543444, 1671418, 2401532, 3086888, 3342836, 4803064, 6685672, 23758013, 47516026, 95032052, 166306091, 190064104, 332612182, 665224364, 1330448728]

約数ペア:

[(1, 1330448728), (2, 665224364), (4, 332612182), (7, 190064104), (8, 166306091), (14, 95032052), (28, 47516026), (56, 23758013), (199, 6685672), (277, 4803064), (398, 3342836), (431, 3086888), (554, 2401532), (796, 1671418), (862, 1543444), (1108, 1200766), (1393, 955096), (1592, 835709), (1724, 771722), (1939, 686152), (2216, 600383), (2786, 477548), (3017, 440984), (3448, 385861), (3878, 343076), (5572, 238774), (6034, 220492), (7756, 171538), (11144, 119387), (12068, 110246), (15512, 85769), (24136, 55123)]