28239376

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{281}}^1\times {\mathrm{571}}^1$

素因数の和:871

約数の個数: 40

約数和(自身を含む): 60005088

約数和(自身を除く): 31765712

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 176, 281, 562, 571, 1124, 1142, 2248, 2284, 3091, 4496, 4568, 6182, 6281, 9136, 12364, 12562, 24728, 25124, 49456, 50248, 100496, 160451, 320902, 641804, 1283608, 1764961, 2567216, 3529922, 7059844, 14119688, 28239376]

約数ペア:

[(1, 28239376), (2, 14119688), (4, 7059844), (8, 3529922), (11, 2567216), (16, 1764961), (22, 1283608), (44, 641804), (88, 320902), (176, 160451), (281, 100496), (562, 50248), (571, 49456), (1124, 25124), (1142, 24728), (2248, 12562), (2284, 12364), (3091, 9136), (4496, 6281), (4568, 6182)]