86419790

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^2\times {\mathrm{37}}^1\times {\mathrm{647}}^1$

素因数の和:729

約数の個数: 48

約数和(自身を含む): 168871392

約数和(自身を除く): 82451602

約数列:

[1, 2, 5, 10, 19, 37, 38, 74, 95, 185, 190, 361, 370, 647, 703, 722, 1294, 1406, 1805, 3235, 3515, 3610, 6470, 7030, 12293, 13357, 23939, 24586, 26714, 47878, 61465, 66785, 119695, 122930, 133570, 233567, 239390, 454841, 467134, 909682, 1167835, 2274205, 2335670, 4548410, 8641979, 17283958, 43209895, 86419790]

約数ペア:

[(1, 86419790), (2, 43209895), (5, 17283958), (10, 8641979), (19, 4548410), (37, 2335670), (38, 2274205), (74, 1167835), (95, 909682), (185, 467134), (190, 454841), (361, 239390), (370, 233567), (647, 133570), (703, 122930), (722, 119695), (1294, 66785), (1406, 61465), (1805, 47878), (3235, 26714), (3515, 24586), (3610, 23939), (6470, 13357), (7030, 12293)]