86587774

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{103}}^1\times {\mathrm{149}}^1$

素因数の和:305

約数の個数: 64

約数和(自身を含む): 167731200

約数和(自身を除く): 81143426

約数列:

[1, 2, 7, 13, 14, 26, 31, 62, 91, 103, 149, 182, 206, 217, 298, 403, 434, 721, 806, 1043, 1339, 1442, 1937, 2086, 2678, 2821, 3193, 3874, 4619, 5642, 6386, 9238, 9373, 13559, 15347, 18746, 22351, 27118, 30694, 32333, 41509, 44702, 60047, 64666, 83018, 107429, 120094, 199511, 214858, 290563, 399022, 420329, 475757, 581126, 840658, 951514, 1396577, 2793154, 3330299, 6184841, 6660598, 12369682, 43293887, 86587774]

約数ペア:

[(1, 86587774), (2, 43293887), (7, 12369682), (13, 6660598), (14, 6184841), (26, 3330299), (31, 2793154), (62, 1396577), (91, 951514), (103, 840658), (149, 581126), (182, 475757), (206, 420329), (217, 399022), (298, 290563), (403, 214858), (434, 199511), (721, 120094), (806, 107429), (1043, 83018), (1339, 64666), (1442, 60047), (1937, 44702), (2086, 41509), (2678, 32333), (2821, 30694), (3193, 27118), (3874, 22351), (4619, 18746), (5642, 15347), (6386, 13559), (9238, 9373)]