31986448

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{2521}}^1$

素因数の和:2603

約数の個数: 40

約数和(自身を含む): 67861976

約数和(自身を除く): 35875528

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 61, 104, 122, 208, 244, 488, 793, 976, 1586, 2521, 3172, 5042, 6344, 10084, 12688, 20168, 32773, 40336, 65546, 131092, 153781, 262184, 307562, 524368, 615124, 1230248, 1999153, 2460496, 3998306, 7996612, 15993224, 31986448]

約数ペア:

[(1, 31986448), (2, 15993224), (4, 7996612), (8, 3998306), (13, 2460496), (16, 1999153), (26, 1230248), (52, 615124), (61, 524368), (104, 307562), (122, 262184), (208, 153781), (244, 131092), (488, 65546), (793, 40336), (976, 32773), (1586, 20168), (2521, 12688), (3172, 10084), (5042, 6344)]