2621968

素因数分解:

$2^4\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{103}}^1$

素因数の和:191

約数の個数: 40

約数和(自身を含む): 5390528

約数和(自身を除く): 2768560

約数列:

[1, 2, 4, 8, 16, 37, 43, 74, 86, 103, 148, 172, 206, 296, 344, 412, 592, 688, 824, 1591, 1648, 3182, 3811, 4429, 6364, 7622, 8858, 12728, 15244, 17716, 25456, 30488, 35432, 60976, 70864, 163873, 327746, 655492, 1310984, 2621968]

約数ペア:

[(1, 2621968), (2, 1310984), (4, 655492), (8, 327746), (16, 163873), (37, 70864), (43, 60976), (74, 35432), (86, 30488), (103, 25456), (148, 17716), (172, 15244), (206, 12728), (296, 8858), (344, 7622), (412, 6364), (592, 4429), (688, 3811), (824, 3182), (1591, 1648)]