2131688

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{199}}^1$

素因数の和:321

約数の個数: 32

約数和(自身を含む): 4368000

約数和(自身を除く): 2236312

約数列:

[1, 2, 4, 8, 13, 26, 52, 103, 104, 199, 206, 398, 412, 796, 824, 1339, 1592, 2587, 2678, 5174, 5356, 10348, 10712, 20497, 20696, 40994, 81988, 163976, 266461, 532922, 1065844, 2131688]

約数ペア:

[(1, 2131688), (2, 1065844), (4, 532922), (8, 266461), (13, 163976), (26, 81988), (52, 40994), (103, 20696), (104, 20497), (199, 10712), (206, 10348), (398, 5356), (412, 5174), (796, 2678), (824, 2587), (1339, 1592)]