31980388

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{353}}^1$

素因数の和:468

約数の個数: 48

約数和(自身を含む): 64229760

約数和(自身を除く): 32249372

約数列:

[1, 2, 4, 11, 22, 29, 44, 58, 71, 116, 142, 284, 319, 353, 638, 706, 781, 1276, 1412, 1562, 2059, 3124, 3883, 4118, 7766, 8236, 10237, 15532, 20474, 22649, 25063, 40948, 45298, 50126, 90596, 100252, 112607, 225214, 275693, 450428, 551386, 726827, 1102772, 1453654, 2907308, 7995097, 15990194, 31980388]

約数ペア:

[(1, 31980388), (2, 15990194), (4, 7995097), (11, 2907308), (22, 1453654), (29, 1102772), (44, 726827), (58, 551386), (71, 450428), (116, 275693), (142, 225214), (284, 112607), (319, 100252), (353, 90596), (638, 50126), (706, 45298), (781, 40948), (1276, 25063), (1412, 22649), (1562, 20474), (2059, 15532), (3124, 10237), (3883, 8236), (4118, 7766)]