61681904

素因数分解:

$2^4\times {\mathrm{19}}^2\times {\mathrm{59}}^1\times {\mathrm{181}}^1$

素因数の和:286

約数の個数: 60

約数和(自身を含む): 128976120

約数和(自身を除く): 67294216

約数列:

[1, 2, 4, 8, 16, 19, 38, 59, 76, 118, 152, 181, 236, 304, 361, 362, 472, 722, 724, 944, 1121, 1444, 1448, 2242, 2888, 2896, 3439, 4484, 5776, 6878, 8968, 10679, 13756, 17936, 21299, 21358, 27512, 42598, 42716, 55024, 65341, 85196, 85432, 130682, 170392, 170864, 202901, 261364, 340784, 405802, 522728, 811604, 1045456, 1623208, 3246416, 3855119, 7710238, 15420476, 30840952, 61681904]

約数ペア:

[(1, 61681904), (2, 30840952), (4, 15420476), (8, 7710238), (16, 3855119), (19, 3246416), (38, 1623208), (59, 1045456), (76, 811604), (118, 522728), (152, 405802), (181, 340784), (236, 261364), (304, 202901), (361, 170864), (362, 170392), (472, 130682), (722, 85432), (724, 85196), (944, 65341), (1121, 55024), (1444, 42716), (1448, 42598), (2242, 27512), (2888, 21358), (2896, 21299), (3439, 17936), (4484, 13756), (5776, 10679), (6878, 8968)]